| Titulo | Fecha | Proveedor | Acceso | Cambio de titulo |
| U cultures Revue culturelle annuelle | 2006- | Université de Bourgogne | Gratis | . |
| U S Army Medical Department Journal | 2008- | Ebsco Academic | . | . |
| U S Army Medical Department Journal | 1989- | Department of Academic Support | Gratis | . |
| U S Army Medical Department Journal | 2005- | Gale | . | . |
| U S Banker | 1997-2011 | Ebsco Academic | . | . |
| U S Banker | 1989-1994 | Gale | . | . |
| U S Black Engineer & Information Technology | 2002- | Ebsco Academic | . | . |
| U S Business Review | 2006-2010 | Ebsco Academic | . | . |
| U S Catholic | 1992- | Ebsco Academic | . | . |
| U S Catholic | 1994- | Gale | . | . |
| U S Catholic Historian | 2010- | Ebsco Academic | . | . |
| U S Catholic Historian | 1980- excepto últimos 60 meses | JSTOR | . | . |
| U S Department of State Dispatch | 1991-1999 | Ebsco Academic | . | . |
| U S Department of State Dispatch | 1990-1999 | Gale | . | . |
| U S Endocrinology | 2013-2013 | Ebsco Academic | . | . |
| U S Infrastructure Report | 2007- | Ebsco Academic | . | . |
| U S Naval Institute Proceedings | 1999- | Ebsco Academic | . | . |
| U S Naval Institute Proceedings | 1997- | ProQuest Information and Learning | . | . |
| U S Neurology | 2013-2013 | Ebsco Academic | . | . |
| U S News & World Report | 1990-2010 | Ebsco Academic | . | . |
| U S News & World Report | 2010-2015 | ProQuest Information and Learning | . | . |
| U S Oncology & Hematology | 2013-2013 | Ebsco Academic | . | . |
| U S Ophthalmic Review | 2013-2013 | Ebsco Academic | . | . |
| U S Participation in the United Nations | 2005-2007 | Gale | . | . |
| U S Pharma & Healthcare Report | 2007- | Ebsco Academic | . | . |
| U S Pharma & Healthcare Report | 2009- | ProQuest Information and Learning | . | . |
| U S Pharmacist | 2005- | Jobson Publishing | Gratis | . |
| U S Rail News | 2009-2011 | Ebsco Academic | . | . |
| U S Rail News | 2000-2010 | Gale | . | . |
| U.S. Department of Defense Information / FIND | 2005- | ProQuest Information and Learning | . | . |
| U.S. Food & Drug Administration Documents / FIND | 2005- | ProQuest Information and Learning | . | . |
| U.S. International Trade Commission Documents and Publications | 2010- | ProQuest Information and Learning | . | . |
| UAE Business Forecast Report | 2004- | Ebsco Academic | . | . |
| UAE Country Report | 2014- | Gale | . | . |
| UAE Defence & Security Report | 2007- | Ebsco Academic | . | . |
| UAE Information Technology Report | 2009- | ProQuest Information and Learning | . | . |
| UAE journal of educational technology and elearning | 2009- | UAE journal of educational technology and elearning | Gratis | . |
| UAE Oil & Gas Report | 2007- | Ebsco Academic | . | . |
| UAE Quarterly Forecast Report | 2002-2004 | Ebsco Academic | . | . |
| UAE yearbook | 2000- | National Media Council | Gratis | . |
| Uaricha. Revisita de Psicologia | 2011- | Gale | . | . |
| UB Post | 2009-2011 | Ebsco Academic | . | . |
| UBC Medical Journal | 2011- | Ebsco Academic | . | . |
| UBImuseum Revista online do Museu de Lanifícios da Universidade da Beira Interior | 2012- | Museu de Lanifícios da Universidade da Beira Interior | Gratis | . |
| Ubique | 2007-2014 | Gale | . | . |
| Ubiquitous Computing and Communication Journal | 2012- | ProQuest Information and Learning | . | . |
| Ubiquity | 2000- | Association for Computing Machinery | . | . |
| Ubiquity | 2012- | Ebsco Academic | . | . |
| Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta | 1950-1959 | Nauka | Gratis | . |
| Uciencia revista de divulgación científica de la Universidad de Málaga | 2009- | Dialnet | Gratis | . |
| UCL working papers in linguistics | 1996- | University College London | Gratis | . |
| UCLA Entertainment Law Review | 2007- | Ebsco Academic | . | . |
| UCLA historical journal | 1980- | University of California | Gratis | . |
| UCLA Journal of Environmental Law & Policy | 2007- | Ebsco Academic | . | . |
| UCLA Journal of Environmental Law & Policy | 1996- | Gale | . | . |
| UCLA Journal of International Law & Foreign Affairs | 2007- | Ebsco Academic | . | . |
| UCLA Journal of Islamic & Near Eastern Law | 2007- | Ebsco Academic | . | . |
| UCLA Law Review | 2006- | Ebsco Academic | . | . |
| UCLA Pacific Basin Law Journal | 2007- | Ebsco Academic | . | . |
| UCLA Women's Law Journal | 2008- | Ebsco Academic | . | . |
| UCLA Working Papers in Phonetics | 2004- | University of California, Los Angeles | Gratis | . |
| UCMaule Revista Académica de la Universidad Católica del Maule | 2007- | Ebsco Academic | . | . |
| UCV - Scientia | 2009- | Revistas Peruanas | Gratis | . |
| UCV - Scientia | 2009- | Universidad Nacional Mayor de San Marcos, Peru. | Gratis | . |
| UD y la Geomática | 2007- | Universidad Distrital Francisco Jose de Caldas | Gratis | . |
| UDC information | 1950-1958 | National Institute of Informatics Japan | Gratis | . |
| Udyanika (A Journal of Horticultural Sciences) | 2005- | CABI Journals | . | . |
| Ueber das Bestehen und Wirken der Naturforschenden Gesellschaft zu Bamberg | 1859-1859 | BioDiversity Heritage Library | Gratis | . |
| Ueber das Bestehen und Wirken des naturforschenden Vereins zu Bamberg | 1852-1854 | BioDiversity Heritage Library | Gratis | . |
| Uebersicht der Aemter-Vertheilung und wissenschaftlichen Thätigkeit des Naturwissenschaftlichen Vereins zu Hamburg-Altona | 1865-1874 | BioDiversity Heritage Library | Gratis | . |
| Ufahamu a Journal of African Studies | 2009- | University of California | Gratis | . |
| UFSQ Law Review | 2013- | Universidad San Francisco de Quito | Gratis | . |
| Uganda Business Forecast Report | 2010- | ProQuest Information and Learning | . | . |
| Uganda Infrastructure Report | 2009- | ProQuest Information and Learning | . | . |
| UIC Research Journal | 2011- | University of the Immaculate Conception | Gratis | . |
| UIC Research Journal | 2011- | University of the Immaculate Conception | Gratis | . |
| Uirusu | 1958- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| UIS Humanidades | 1991- | Universidad Industrial de Santander | Gratis | . |
| UIS Ingenierías | 2007- | Ebsco Academic | . | . |
| UIS Ingenierías | 2002- | Universidad Industrial de Santander | Gratis | . |
| UJAH Unizik Journal of Arts and Humanities | 2010- | AJOL | Gratis | . |
| UK Autos Report | 2008- | Ebsco Academic | . | . |
| UK Economic Accounts | 2007- | ProQuest Information and Learning | . | . |
| UK Regional Economic Outlook: Forecast Summary | 2010- | ProQuest Information and Learning | . | . |
| UK Venture Capital Journal | 1997-1999 | Gale | . | . |
| UK Weekly | 2006-2010 | ProQuest Information and Learning | . | . |
| Ukio technologinis ir ekonominis vystymas | 2009-2014 | Gale | . | Cambio a: Technological and Economic Development of Economy |
| Ukio technologinis ir ekonominis vystymas | 2004-2010 | Taylor & Francis | . | Cambio a: Technological and Economic Development of Economy |
| ûkologie & Landbau | 2014- | Ebsco Academic | . | . |
| ûkologisches Wirtschaften | 2014- | Ebsco Academic | . | . |
| Ukrains'kij Hìmìoterapevti nij }urnal | 2002- | Institute of phthisiology and pulmonology, AMS | Gratis | . |
| Ukraine Agribusiness Report | 2010- | ProQuest Information and Learning | . | . |
| Ukraine Autos Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Commercial Banking Report | 2010- | ProQuest Information and Learning | . | . |
| Ukraine Food & Drink Report | 2008- | ProQuest Information and Learning | . | . |
| Ukraine Freight Transport Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Infrastructure Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Insurance Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Metals Report | 2010- | ProQuest Information and Learning | . | . |
| Ukraine Mining Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Petrochemicals Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Pharmaceuticals & Healthcare Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Power Report | 2009- | ProQuest Information and Learning | . | . |
| Ukraine Telecommunications Report | 2009- | ProQuest Information and Learning | . | . |
| Ukrainian Biochemical Journal | 2004- | Izdatelstvo Naukova Dumka | Gratis | . |
| Ukrainian Journal of Physical Optics | 2000- | Institute of Physical Optics | Gratis | . |
| Ukrainian Journal of Physical Optics | 2010- | Ebsco Academic | . | . |
| Ukrainian Journal of Physics | 2003- | National Academy of Sciences of Ukraine | Gratis | . |
| Ukrainian Journal of Physics | 2013- | National Academy of Science of Ukraine | Gratis | . |
| Ukrainian Mathematical Journal | 2003- excepto últimos 12 meses | Ebsco Academic | . | . |
| Ukrainian Mathematical Journal | 2010- excepto últimos 12 meses | Gale | . | . |
| Ukrainian Mathematical Journal | 1967- | Springer | . | . |
| Ukrainica Bioorganica Acta | 2004- | Institute of Molecular Biology and Genetics, Kyiv | Gratis | . |
| Ukrainica Bioorganica Acta | 2008- | Ebsco Academic | . | . |
| Ukraïnskyj istorycnyj zurnal | 1999- | Instytut Istorii Ukrainy | Gratis | . |
| UKSG eNews | 2012- | UKSG | Gratis | Cambio de: Serials-eNews |
| Ulam Quarterly | 1992-1998 | University of Florida | Gratis | . |
| ULAuniversidad | 2007- | Universidad de Los Andes (Venezuela) | Gratis | . |
| ULBANDUS The Slavic Review of Columbia University | 2007- | Ebsco Academic | . | . |
| ULBANDUS The Slavic Review of Columbia University | 1977- excepto últimos 12 meses | JSTOR | . | . |
| Ulbra e Movimento Revista de Educação Física | 2010- | Centro Universitário Luterano de Ji-Paraná | Gratis | . |
| Ulcers | 2011- | Hindawi Publishing Corporation | Gratis | . |
| Ulcers | 2012- | Gale | . | . |
| Ulcers | 2010- | Ebsco Academic | . | . |
| Ull crític L' | 1989- | RACO | Gratis | . |
| ulletin annuel du Comice agricole de l'arrondissement d'Avallon | 1858 | Gallica. Bibliothèque Nationale Paris | Gratis | . |
| Ulster Journal of Archaeology | 1853-1861 | JSTOR | Gratis | . |
| Ulster Medical Journal | 2009- | The Ulster Medical Society | Gratis | . |
| Ulster Medical Journal | 1932- | PubMed Central | Gratis | . |
| Ultima Década | 1993- | Red ALyC | Gratis | . |
| Ultima Década | 1993- | Centro de Estudios Sociales CIDPA | Gratis | . |
| Ultima Década | 2000- | SciELO (Chile) | Gratis | . |
| Ultima Década | 1993- | Dialnet | Gratis | . |
| Último andar Cadernos de pesquisa em ciências da religião | 2005- | Universidade Católica de São Paulo | Gratis | . |
| Ultimo banco | 1954 | Università di Bologna | Gratis | . |
| Ultragarsas | 2011- | Kaunas University of Technology | Gratis | . |
| UltraMarine Magazine | 2013- | ProQuest Information and Learning | . | . |
| Ultramicroscopy | 1995- | Elsevier Science | . | . |
| Ultrasonic Imaging | 1993-1996 | Elsevier Science | . | . |
| Ultrasonic Imaging | 1999- | HighWire Press, Stanford University | . | . |
| Ultrasonics | 1995- | Elsevier Science | . | . |
| Ultrasonics Sonochemistry | 1995- | Elsevier Science | . | . |
| Ultrasonography | 2013- | Korean Society of Ultrasound in Medicine | Gratis | . |
| Ultrasonography | 2014- | PubMed Central | Gratis | . |
| Ultrasound | 2004-2009 | Maney Online | . | . |
| Ultrasound Anesthesia Journal | 2013- | Ultrasound Anesthesia Journal | Gratis | . |
| Ultrasound Clinics | 2006-2014 | Elsevier Science | . | . |
| Ultrasound in Medicine & Biology | 1995- | Elsevier Science | . | . |
| Ultrasound in Medicine & Biology | 2007- | Clinical Key | . | . |
| Ultrasound in Obstetrics & Gynecology | 2008- excepto últimos 12 meses | Ebsco Academic | . | . |
| Ultrasound in Obstetrics & Gynecology | 1991- | Wiley Online Library | . | . |
| Ultrasound in Obstetrics & Gynecology | 1991- excepto últimos 12 meses | Wiley Online Library | Gratis | . |
| Ultrasound International Open | 2015- | Thieme | Gratis | . |
| Ultrasound Quarterly | 2001- | Ovid Technologies, Inc. | . | . |
| Ultrasound Review of Obstetrics & Gynecology | 2004-2006 | Ebsco Academic | . | . |
| Ultrasound Review of Obstetrics & Gynecology | 2003-2006 | ProQuest Information and Learning | . | . |
| Ultrastructural Pathology | 2009-2014 | Taylor & Francis | . | . |
| Ultrastructural Pathology | 1999- excepto últimos 18 meses | Ebsco Academic | . | . |
| Ultreya revista quincenal de cultura galaica arte | 1919-1920 | Galiciana | Gratis | . |
| Uludağ University journal of The Faculty of Engineering and Architecture | 2002- | Uludağ University | Gratis | . |
| Uludag Bee Journal | 2008- | Ebsco Academic | . | . |
| Uludag Üniversitesi Ilahiyat Fakültesi Dergisi | 1986- | Uludag Üniversitesi | Gratis | . |
| Uludag Üniversitesi Ilahiyat Fakültesi Dergisi | 2010- | Ebsco Academic | . | . |
| Uluslararası Türkçe Edebiyat Kültür Eğitim Dergisi | 2012- | Valeh Hacilar Kültür Araştirmalari Derneği | Gratis | . |
| Uluslararası Türkçe Edebiyat Kültür Eğitim Dergisi | 2013- | Ebsco Academic | . | . |
| Uluslararasi Avrasya sosyal blimler dergisi | 2013- | Ebsco Academic | . | . |
| Uluslararasi Avrasya sosyal blimler dergisi | 2010- | Mersin Universitesi | Gratis | . |
| Uluslararasi Iliskiler International Relations | 2008- | Gale | . | . |
| Uluslararasi Suçlar ve Tarih | 2011- | Ebsco Academic | . | . |
| UMass Law Review | 2012- | Gale | . | . |
| Umbral Científico | 2002-2011 | Red ALyC | Gratis | . |
| Umbral Científico | 2006- | Dialnet | Gratis | . |
| Umbral Revista Semestral de Educación Cultural y Sociedad | 2002-2005 | Universidad Nacional Mayor de San Marcos, Peru. | Gratis | . |
| Umbrales Revista del Postgrado Multidisciplinario en Ciencias del Desarrollo | 2008- | Revistas Bolivianas | Gratis | . |
| Umbrella Online | 2005-2008 | Ebsco Academic | . | . |
| Umbrella Online | 1978-2008 | IUPUI | Gratis | . |
| UME | 1996- | Ume magazine | Gratis | . |
| UME | 2011-2011 | Ebsco Academic | . | . |
| Umeni Art | 2006- | Ebsco Academic | . | . |
| UMK Procedia | 2014- | Elsevier Science | Gratis | . |
| Umrabulo | 1996- | African National Congress | Gratis | . |
| UMTRI Research Review | 2004- | Ebsco Academic | . | . |
| UMTRI Research Review | 1997- | ProQuest Information and Learning | . | . |
| UMTRI Research Review | 2000- | University of Michigan | Gratis | . |
| Umweltwissenschaften und Schadstoff Forschung | 1997-2010 | ProQuest Information and Learning | . | . |
| Umweltwissenschaften und Schadstoff-Forschung | 1989-2010 | Springer | Gratis | Cambio a: Environmental Sciences Europe |
| UN Global Compact Reports | 2006- | Ingenta plc | Gratis | . |
| Un magazine | 2004- | Un Projets Inc | Gratis | . |
| UN Monthly Bulletin of Statistics | 1991- | United Nations Statistical Office | Gratis | . |
| Un mundo muchas miradas | 2008- | Universidad del Pais Vasco | Gratis | . |
| Unasylva revista internacional de silvicultura e industrias forestales | 2007- | Dialnet | Gratis | . |
| Unasylva revista internacional de silvicultura e industrias forestales | 1947- | FAO | Gratis | . |
| Unasylva revista internacional de silvicultura e industrias forestales | 2015- | ProQuest Information and Learning | . | . |
| UNAV Journal for Medical Students | 2015- | Universidad de Navarra | Gratis | . |
| Uncertain Supply Chain Management | 2013- | Growing Science | Gratis | . |
| Uncertainty and Operations Research | 2013- | Springer Series | . | . |
| Uncommon culture | 2010- | University of Illinois at Chicago | Gratis | . |
| Uncoverings | 1980- | Ebsco Academic | . | . |
| UNCTAD Handbook of Statistics | 2001- | Gale | . | . |
| Undercurrent | 2004- | Undercurrent | Gratis | . |
| Undercurrent | 2004- | Ebsco Academic | . | . |
| Undercurrent A magazine of and on film criticism | 2006- | International Federation of Film Critics | Gratis | . |
| Undergraduate Journal of Gender and Women’s Studies | 2012- | University of California | Gratis | . |
| Undergraduate journal of mathematical modelling one + two | 2013- | University of South Florida Libraries | Gratis | . |
| Undergraduate journal of psychology | 1999- | University of North Carolina at Charlotte | Gratis | . |
| Undergraduate Lecture Notes in Physics | 2011- | Springer Series | . | . |
| Undergraduate research journal for the human sciences URJHS | 2002-2010 | Undergraduate Research Community | Gratis | . |
| Undergraduate Texts in Mathematics | 2005- | Springer Series | . | . |
| Undergraduate Topics in Computer Science | 2007- | Springer Series | . | . |
| Underground Construction | 1997- | Ebsco Academic | . | . |
| Underhood Service | 1998-2000 | ProQuest Information and Learning | . | . |
| Undersea & Hyperbaric Medicine | 1998-2012 | ProQuest Information and Learning | . | . |
| Undersea warfare | 1998- | U.S. Chief of Naval Operations, Submarine Warfare Division | Gratis | . |
| Understanding and dismantling privilege | 2010- | University of Colorado at Colorado Springs | Gratis | . |
| Understanding China | 2013- | Springer Series | . | . |
| Understanding Complex Systems | 2004- | Springer Series | . | . |
| Understanding Innovation | 2011- | Springer Series | . | . |
| Understanding Medical Informatics | 2014- | Springer Series | . | . |
| Understanding Population Trends and Processes | 2009- | Springer Series | . | . |
| Understanding Statistics | 2002-2004 | Ebsco Academic | . | . |
| Underwater Acoustics | 2007- | Springer Series | . | . |
| Underwater Naturalist | 2006- | Ebsco Academic | . | . |
| Underwater Naturalist | 1999- | Gale | . | . |
| Underwater Technology | 1995- | Ingenta plc | Gratis | . |
| Underwater Technology | 2012- | Ebsco Academic | . | . |
| UNEP regional seas reports and studies | 1982- | United Nations Environment Programme | Gratis | . |
| UNEP Year Book | 2003- | United Nations Environment Programme | Gratis | . |
| UNESCO Courier | 1993-2001 | Ebsco Academic | . | . |
| UNESCO Courier | 1984-2001 | Gale | . | . |
| UNESCO Sources | 1994-2001 | Ebsco Academic | . | . |
| Unfallchirurg Der | 1996- | Springer | . | . |
| Unfallchirurgie Accident surgery | 1975-1999 | Springer | . | Cambio a: European journal of trauma |
| Unfamiliar An anthropological journal | 2011- | University of Edinburgh | Gratis | . |
| Uni-pluriversidad | 2001- | Universidad de Antioquia | Gratis | . |
| Uniciencia | 2013- | Universidad Nacional de Costa Rica | Gratis | . |
| Uniciências | 1997- | Universidade Norte do Paraná | Gratis | . |
| Uniform Distribution Theory | 2006- | Mathematical Institute of the Slovak Academy of Sciences | Gratis | . |
| Uniform Law Review | 1973- | HighWire Press, Stanford University | . | . |
| Uniforms | 2007-2008 | Ebsco Academic | . | . |
| UniLetras | 2000- | Universidade Estadual de Ponta Grossa | Gratis | . |
| UNINGA Review | 2010- | Unidade de Ensino Superior Ingá Ltda. | Gratis | . |
| Unintended Consequences | 2007-2007 | ProQuest Information and Learning | . | . |
| Unión La diario republicano de Pontevedra y la provincia | 1898 | Galiciana | Gratis | . |
| Unión revista iberoamericana de educación matemática | 2006- | Federación Iberoamericana de Sociedades de Educación Matemática | Gratis | . |
| Unión revista iberoamericana de educación matemática | 2005- | Dialnet | Gratis | . |
| Union Seminary quarterly review | 2010- | Union Theological Seminary | Gratis | . |
| Unirevista es | 2012- | Dialnet | Gratis | . |
| UNISANTA humanitas | 2012- | Universidade Santa Cecília | Gratis | . |
| UNISANTA law and social science | 2012- | Universidad Santa Cecília | Gratis | . |
| UNISCI Discussion Papers | 2003- | Red ALyC | Gratis | . |
| UNISCI Discussion Papers | 2003- | Universidad Complutense de Madrid | Gratis | . |
| UNISCI Discussion Papers | 2012- | Gale | . | . |
| Unisul de Fato e de Direito | 2010- | Unisul - Universidade do Sul de Santa Catarina | Gratis | . |
| Unisys World | 1998-2004 | ProQuest Information and Learning | . | . |
| UNITAR e Journal | 2009-2011 | Ebsco Academic | . | . |
| UNITAR e Journal | 2005- | Universiti Tun Abdul Razak | Gratis | . |
| Unitas | 1987-2004 | ProQuest Information and Learning | . | . |
| United Academics Journal of Social Sciences | 2011- | United Academics | Gratis | . |
| United Arab Emirates Autos Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Chemicals Report | 2009-2009 | ProQuest Information and Learning | . | . |
| United Arab Emirates Commercial Banking Report | 2008- | ProQuest Information and Learning | . | . |
| United Arab Emirates Consumer Electronics Report | 2010- | ProQuest Information and Learning | . | . |
| United Arab Emirates Food & Drink Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Freight Transport Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Infrastructure Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Insurance Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Petrochemicals Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Pharmaceutical & Healthcare Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Power Report | 2010- | ProQuest Information and Learning | . | . |
| United Arab Emirates Real Estate Report | 2010- | ProQuest Information and Learning | . | . |
| United Arab Emirates Retail Report | 2010- | ProQuest Information and Learning | . | . |
| United Arab Emirates Shipping Report | 2010- | ProQuest Information and Learning | . | . |
| United Arab Emirates Telecommunications Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Tourism Report | 2009- | ProQuest Information and Learning | . | . |
| United Arab Emirates Water Report | 2010- | ProQuest Information and Learning | . | . |
| United College Journal | 1962-1975 | Hong Kong Journals Online | Gratis | . |
| United European Gastroenterology Journal | 2013- | HighWire Press, Stanford University | Gratis
hasta feb 2016 | . |
| United European Gastroenterology Journal | 2013- | PubMed Central | Gratis | . |
| United Kingdom Agribusiness Report | 2010- | ProQuest Information and Learning | . | . |
| United Kingdom Balance of Payments | 2011- | ProQuest Information and Learning | . | . |
| United Kingdom Business Forecast Report | 2010- | ProQuest Information and Learning | . | . |
| United Kingdom Defence & Security Report | 2008- | Ebsco Academic | . | . |
| United Kingdom Food & Drink Report | 2008- | Ebsco Academic | . | . |
| United Kingdom Freight Transport Report | 2009- | ProQuest Information and Learning | . | . |
| United Kingdom Information Technology Report | 2010- | ProQuest Information and Learning | . | . |
| United Kingdom Infrastructure Report | 2008- | Ebsco Academic | . | . |
| United Kingdom Insurance Report | 2009- | ProQuest Information and Learning | . | . |
| United Kingdom Metals Report | 2010- | ProQuest Information and Learning | . | . |
| United Kingdom National Accounts | 2011- | ProQuest Information and Learning | . | . |
| United Kingdom Oil & Gas Report | 2007- | Ebsco Academic | . | . |
| United Kingdom Petrochemicals Report | 2008- | ProQuest Information and Learning | . | . |
| United Kingdom Power Report | 2010- | ProQuest Information and Learning | . | . |
| United Kingdom Real Estate Report | 2010- | ProQuest Information and Learning | . | . |
| United Kingdom Telecommunications Report | 2009- | ProQuest Information and Learning | . | . |
| United Kingdom Tourism Report | 2010- | ProQuest Information and Learning | . | . |
| United Nations Chronicle | 1990-1996 | Ebsco Academic | . | . |
| United Nations Chronicle | 1984- | Gale | . | . |
| United Nations University Series on Regionalism | 2007 | Springer Series | . | . |
| United States Agribusiness Report | 2010- | ProQuest Information and Learning | . | . |
| United States Bureau of Plant Quarantine News letter | 1932-1934 | BioDiversity Heritage Library | Gratis | Cambio de: News letter | Cambio a: United States. Bureau of Entomology and Plant Quarantine. News letter |
| United States Business Forecast Report | 2010- | ProQuest Information and Learning | . | . |
| United States Consumer Electronics Report | 2010- | ProQuest Information and Learning | . | . |
| United States Cotton Quality Reports | 2013- | Ebsco Academic | . | . |
| United States Defence & Security Report | 2010- | ProQuest Information and Learning | . | . |
| United States Democratic Review | 1837-1859 | Making of America Project Cornell | Gratis | . |
| United States Food & Drink Report | 2008- | Ebsco Academic | . | . |
| United States Information Technology Report | 2010- | ProQuest Information and Learning | . | . |
| United States Insurance Report | 2010- | ProQuest Information and Learning | . | . |
| United States Metals Report | 2010- | ProQuest Information and Learning | . | . |
| United States Mining Report | 2008- | Ebsco Academic | . | . |
| United States Power Report | 2009- | Ebsco Academic | . | . |
| United States Real Estate Report | 2010- | ProQuest Information and Learning | . | . |
| United States Shipping Report | 2010- | ProQuest Information and Learning | . | . |
| United States Tourism Report | 2010- | ProQuest Information and Learning | . | . |
| United States. Bureau of Labor Statistics. Monthly review of the U.S. Bureau of Labor Statistics (pre-1986) | 1915-1918 | ProQuest Information and Learning | . | . |
| United Trade's Co-Operative Journal The | 1830 | Gale MOMW | . | . |
| UNITEXT for Physics | 2014- | Springer Series | . | . |
| Universa Medicina | 2005- | Trisakti University Press | Gratis | . |
| Universa Recensioni di filosofia | 2011- | Università degli Studi di Padova | Gratis | . |
| Universal Access in the Information Society | 2011- | Springer | . | . |
| Universal Access in the Information Society | 2003-2009 | Ebsco Academic | . | . |
| Universal Access in the Information Society | 2001- excepto últimos 12 meses | ProQuest Information and Learning | . | . |
| Universal Human Rights | 1979-1980 | JSTOR | . | Cambio a: Human Rights Quarterly |
| Universal Journal of Computer Science and Engineering Technology | 2010- | Universal Journal of Computer Science and Engineering Technology | Gratis | . |
| Universal Journal of Control and Automation | 2013- | Horizon Research Publishing | Gratis | . |
| Universal Journal of Engineering Science | 2013- | Horizon Research Publishing | Gratis | . |
| Universal Journal of Environmental Research & Technology | 2011- | Euresian Publications | Gratis | . |
| Universal Journal of Environmental Research & Technology | 2011- | Ebsco Academic | . | . |
| Universal journal of management and social sciences | 2011- | Centre for Promoting Research Excellence | Gratis | . |
| Universal Journal of Mathematics & Mathematical Sciences | 2012- | ProQuest Information and Learning | . | . |
| Universal Journal of Mechanical Engineering | 2013- | Horizon Research Publishing | Gratis | . |
| Universal Research Journal of Dentistry | 2011- | Wolters Kluwer Health - Medknow | Gratis | . |
| Universalia | 2006- | Dialnet | Gratis | . |
| UniverSalud | 2010- | Imbiomed | Gratis
Registro individual requerido | . |
| Universe | 2015- | MDPI AG | Gratis | . |
| Universia Business Review | 2004- | Universia | Gratis | . |
| Universia Business Review | 2004- | Red ALyC | Gratis | . |
| Universia Business Review | 2004- | Ebsco Academic | . | . |
| Universia Business Review | 2004- | Dialnet | Gratis | . |
| Universia Business Review | 2010- | ProQuest Information and Learning | . | . |
| Universidad Ciencia y Sociedad | 2010- | Revistas Bolivianas | Gratis | . |
| Universidad Ciencia y Tecnología | 2005- | SciELO (Venezuela) | Gratis | . |
| Universidad en Diálogo Revista de Extensión | 2011- | Universidad Nacional de Costa Rica | Gratis | . |
| Universidad Kennedy Revista | 1995- | Universidad Argentina John F Kennedy | Gratis | . |
| Universidad y Ciencia | 2010- | LAMJOL | Gratis | . |
| Universidad y Ciencia | 2005- | Consejo Nacional de Universidades | Gratis | . |
| Universidad y Ciencia | 2001- | Red ALyC | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 1984-2013 | Universidad Juárez Autónoma de Tabasco | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2001- | Dialnet | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2008-2014 | SciELO (Mexico) | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2005- | Gale | . | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2010- | ProQuest Information and Learning | . | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Empresa | 2005- | Universidad del Rosario | Gratis | . |
| Universidad y Empresa | 2005- | Red ALyC | Gratis | . |
| Universidad y Empresa | 2005- | Gale | . | . |
| Universidad y Salud | 2011- | SciELO (Colombia) | Gratis | . |
| Universidad y sociedad | 2009- | Universidad de Cienfuegos | Gratis | . |
| Universidad y Sociedad | 1996 | Universidad Nacional Mayor de San Marcos, Peru. | Gratis | . |
| Universidades | 2000- | Unión de Universidades de América Latina (UDUAL) | Gratis | . |
| Universidades | 2002- | Red ALyC | Gratis | . |
| Università nuova | 1946 | Università di Bologna | Gratis | . |
| Universitas | 2003- | Red ALyC | Gratis | . |
| Universitas | 2006- | Ebsco Academic | . | . |
| Universitas | 2008- | SciELO (Colombia) | Gratis | . |
| Universitas | 2006- | Dialnet | Gratis | . |
| Universitas | 2003- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas 2000 | 2005 | SciELO (Venezuela) | Gratis | . |
| Universitas Arquitetura e Comunicação Social | 2008- | Centro Universitário de Brasilia | Gratis | . |
| Universitas Canónica | 2008- | Ebsco Academic | . | . |
| Universitas Canónica | 2010- | Gale | . | . |
| Universitas Canónica | 2010- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Ciências da Saúde | 2003- | Centro Universitário de Brasilia | Gratis | . |
| Universitas Científica | 2010- | Universidad Pontificia Bolivariana | Gratis | . |
| Universitas Estudiantes | 2004-2014 | Ebsco Academic | . | . |
| Universitas FACE | 2003-2007 | Centro Universitário de Brasilia | Gratis | Cambio a: Universitas Humanas |
| Universitas Gestão e TI | 2011- | Centro Universitário de Brasilia | Gratis | . |
| Universitas Humanas | 2008- | Centro Universitário de Brasilia | Gratis | Cambio de: Universitas FACE |
| Universitas Humanistica | 2006- | SciELO (Colombia) | Gratis | . |
| Universitas Humanistica | 2003- | Red ALyC | Gratis | . |
| Universitas Humanistica | 2006- | Ebsco Academic | . | . |
| Universitas Humanistica | 2008- | Gale | . | . |
| Universitas Humanistica | 1971- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Jus | 2007- | Centro Universitário de Brasilia | Gratis | . |
| Universitas León Revista Científica de la UNAN León | 2007- | LAMJOL | Gratis | . |
| Universitas León Revista Científica de la UNAN León | 2007- | Consejo Nacional de Universidades | Gratis | . |
| Universitas Médica | 2000- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Médica | 2000- | Imbiomed | Gratis
Registro individual requerido | . |
| Universitas Médica | 2006- | Ebsco Academic | . | . |
| Universitas Médica | 2005- | Red ALyC | Gratis | . |
| Universitas Médica | 2009- | Gale | . | . |
| Universitas Odontológica | 2007- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Odontológica | 2010- | Ebsco Academic | . | . |
| Universitas Odontológica | 2005- | Red ALyC | Gratis | . |
| Universitas Odontológica | 2007- | Dialnet | Gratis | . |
| Universitas Odontológica | 2010- | Gale | . | . |
| Universitas Odontológica | 2011- | Imbiomed | Gratis
registro individual requerido | . |
| Universitas Philosophica | 2002- | Ebsco Academic | . | . |
| Universitas Philosophica | 2010- | SciELO (Colombia) | Gratis | . |
| Universitas Philosophica | 2010- | Gale | . | . |
| Universitas Philosophica | 2007- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Psychologica | 2005-2009 | PePSIC | Gratis | . |
| Universitas Psychologica | 2005- | SciELO (Colombia) | Gratis | . |
| Universitas Psychologica | 2002- | Red ALyC | Gratis | . |
| Universitas Psychologica | 2006- | Ebsco Academic | . | . |
| Universitas Psychologica | 2009- | Gale | . | . |
| Universitas Psychologica | 2006- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Relações Internacionais | 2004- | Centro Universitário de Brasilia | Gratis | . |
| Universitas Relações Internacionais | 2009- | Ebsco Academic | . | . |
| Universitas revista de filosofía derecho y política | 2004- | Dialnet | Gratis | . |
| Universitas Scientiarum | 2000- | Red ALyC | Gratis | . |
| Universitas Scientiarum | 1987- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Scientiarum | 2008- | SciELO (Colombia) | Gratis | . |
| Universitas Scientiarum | 2010- | Gale | . | . |
| Universitatii Maritime Constanta. Analele | 2008- | ProQuest Information and Learning | . | . |
| Universitatis Gedanensis | 2008- | Pomorskie Towarzystwo Filozoficzno-Teologiczne | Gratis | . |
| Universitatis Iagellonicae Acta Mathematica | 1955 | EMIS | Gratis | . |
| Universitatis Iagellonicae Acta Mathematica | 2010- | ProQuest Information and Learning | . | . |
| Universitatis Iagellonicae Acta Mathematica | 2010- | Jagiellonian University | Gratis | . |
| Universitext | 2005- | Springer Series | . | . |
| University Bookman | 2003- | Ebsco Academic | . | . |
| University Business | 2001- | Ebsco Academic | . | . |
| University Business | 2002- | Gale | . | . |
| University Chemistry Education | 1997-2004 | Royal Society of Chemistry | Gratis | . |
| University College Review | 1961 | JSTOR | . | Cambio a: Journal of Ethiopian Studies |
| University Heart Journal | 2007- | BanglaJOL | Gratis | . |
| University Journal of Business | 1922-1927 | JSTOR | . | Cambio a: The Journal of Business of the University of Chicago |
| University Journal of Zoology Rajshahi University | 2002- | BanglaJOL | Gratis | . |
| University Museums and Collections Journal | 2001- | International Committee for University Museums and Collections | Gratis | . |
| University of Anbar Sport and Physical Education Sciences | 2009- | Iraqi Academic Scientific Journals | Gratis | . |
| University of Auckland Business Review | 2003- | Ebsco Academic | . | . |
| University of Baltimore Journal of Environmental Law | 2010-2010 | Ebsco Academic | . | . |
| University of British Columbia Law Review | 2011- | Gale | . | . |
| University of Bucharest Review - Series Literary and Cultural Studies | 2008- | University of Bucharest | Gratis | . |
| University of California Berkeley Wellness Letter | 1989-1995 | Gale | . | . |
| University of California publications in agricultural sciences | 1912-1919 | BioDiversity Heritage Library | Gratis | . |
| University of California publications in botany | 1902-1925 | BioDiversity Heritage Library | Gratis | . |
| University of California Publications in Entomology | 2004- | University of California | Gratis | . |
| University of California Publications in Entomology | 1906-1922 | BioDiversity Heritage Library | Gratis | . |
| University of California publications in geological sciences | 1921-1922 | BioDiversity Heritage Library | Gratis | . |
| University of California publications in zoology | 1906-1926 | BioDiversity Heritage Library | Gratis | . |
| University of Central Florida Undergraduate Research Journal | 2011- | Ebsco Academic | . | . |
| University of Chicago Law Review | 2008- | Ebsco Academic | . | . |
| University of Chicago Law Review | 1933- | JSTOR | . | . |
| University of Chicago Law Review | 1993- | ProQuest Information and Learning | . | . |
| University of Colorado studies | 1902-1915 | BioDiversity Heritage Library | Gratis | . |
| University of Denver Water Law Review | 2008- | Ebsco Academic | . | . |
| University of Engineering and Technology Taxila Technical Journal | 2013- | ProQuest Information and Learning | . | . |
| University of Florida Journal of Law & Public Policy | 2005- | Ebsco Academic | . | . |
| University of Gaziantep Journal of Social Sciences | 2009- | Ebsco Academic | . | . |
| University of Ilorin Law Journal | 2008- | University of Ilorin | Gratis | . |
| University of Kansas publications, Museum of Natural History | 1946-1971 | BioDiversity Heritage Library | Gratis | . |
| University of Kansas science bulletin | 1902-1996 | BioDiversity Heritage Library | Gratis | . |
| University of Louisville Law Review | 2008- | Ebsco Academic | . | . |
| University of Maryland Law Journal of Race Religion Gender & Class | 2006- | Ebsco Academic | . | . |
| University of Maryland Working Papers in Linguistics | 2006- | University of Maryland | Gratis | . |
| University of Massachusetts Roundtable Symposium Law Journal | 2010-2011 | Gale | . | . |
| University of Mauritius Research Journal | 2011- | AJOL | Gratis | . |
| University of Mauritius Research Journal | 1999- | University of Mauritius | Gratis | . |
| University of Melbourne collections magazine | 2007- | University of Melbourne Library | Gratis | . |
| University of Miami Inter-American Law Review | 1984- excepto últimos 24 meses | JSTOR | . | Cambio de: Lawyer of the Americas |
| University of Michigan Journal of Law Reform | 2010- | Ebsco Academic | . | . |
| University of Missouri studies | 1905-1918 | BioDiversity Heritage Library | Gratis | . |
| University of New Brunswick Law Journal | 2006- | Gale | . | . |
| University of New Brunswick Law Journal | 2006- | Gale | . | . |
| University of New Brunswick Law Journal | 2009- | Ebsco Academic | . | . |
| University of New South Wales Law Journal | 2009- | Ebsco Academic | . | . |
| University of Ottawa Law and Technology Journal | 2003- | University of Ottawa, Faculty of Law | Gratis | . |
| University of Pennsylvania Law Review | 1996- | Ebsco Academic | . | Cambio de: University of Pennsylvania Law Review and American Law Register |
| University of Pennsylvania Law Review | 1991- | Gale | . | Cambio de: University of Pennsylvania Law Review and American Law Register |
| University of Pennsylvania Law Review | 1945- excepto últimos 36 meses | JSTOR | . | Cambio de: University of Pennsylvania Law Review and American Law Register |
| University of Pennsylvania Law Review and American Law Register | 1908-1922 | JSTOR | Gratis | Cambio de: American Law Register (1898-1907) | Cambio a: University of Pennsylvania Law Review |
| University of Pennsylvania Law Review and American Law Register | 1908-1944 | JSTOR | . | Cambio de: American Law Register (1898-1907) | Cambio a: University of Pennsylvania Law Review |
| University of Pennsylvania Orthopaedic Journal | 1997- | University of Pennsylvania | Gratis | . |
| University of Pittsburgh Law Review | 2003- | University of Pittsburgh | Gratis | . |
| University of Puerto Rico Business Law Journal | 2010- | University of Puerto Rico | Gratis | . |
| University of Queensland Law Journal | 2007- | Ebsco Academic | . | . |
| University of Queensland Law Journal | 2007- | Gale | . | . |
| University of Queensland Working Papers in Linguistics | 2007- | University of Queensland | Gratis | . |
| University of Tartu Faculty of Economics & Business Administration Working Paper Series | 2003- | Ebsco Academic | . | . |
| University of Tennessee Advanced Studies in Pharmacy | 2008- | Ebsco Academic | . | . |
| University of Texas Studies in English | 1949-1956 | JSTOR | . | Cambio de: Studies in English | Cambio a: Texas Studies in English |
| University of Toledo Law Review | 2009- | Ebsco Academic | . | . |
| University of Toronto Faculty of Law Review | 2007- | Gale | . | . |
| University of Toronto Journal of Undergraduate Life Sciences | 2007- | University of Toronto | Gratis | . |
| University of Toronto Law Journal | 1997- excepto últimos 6 meses | Ebsco Academic | . | . |
| University of Toronto Law Journal | 1935- excepto últimos 36 meses | JSTOR | . | . |
| University of Toronto Medical Journal | 1999- | University of Toronto | Gratis | . |
| University of Toronto Quarterly | 1975- excepto últimos 6 meses | Ebsco Academic | . | . |
| University of Washington Working Papers in Linguistics | 1992- | Working Papers in Linguistics | . | . |
| University of Western Ontario Series in Philosophy of Science | 2006-2009 | Springer Series | . | . |
| University of Western Sydney Law Review | 2005- | Gale | . | . |
| Universo de la Tecnológica | 2013- | Universidad Tecnológica de Nayarit | Gratis | . |
| Universo Diagnóstico | 2000- | BVS - Biblioteca Virtual en Salud (Cuba) | Gratis | . |
| UniverSOS Revista de lenguas indígenas y universos culturales | 2004- | Universitat de València | Gratis | . |
| Universum Revista de Humanidades y Ciencias Sociales | 1986- | Universidad de Talca | Gratis | . |
| Universum Revista de Humanidades y Ciencias Sociales | 2004- | SciELO (Chile) | Gratis | . |
| Universum Revista de Humanidades y Ciencias Sociales | 2010- | Dialnet | Gratis | . |
| Universum Revista de Humanidades y Ciencias Sociales | 2005- | Red ALyC | Gratis | . |
| UNIX Review | 1988-1998 | Gale | . | . |
| UNIX Update | 1997- | ProQuest Information and Learning | . | . |
| UNLV Gaming Research & Review Journal | 2002- | Ebsco Academic | . | . |
| UNLV Gaming Research & Review Journal | 2011- | Gale | . | . |
| UNLV Gaming Research & Review Journal | 2000- | ProQuest Information and Learning | . | . |
| Unmanned systems | 2013- | World Scientific Publishing Company | . | . |
| Unoesc & ciência – ACHS | 2010- | Universidade do Oeste de Santa Catarina | Gratis | . |
| Unoesc & ciência – ACSA | 2010- | Universidade do Oeste de Santa Catarina | Gratis | . |
| UNOPAR Científica Ciências Biológicas e da Saúde | 1999- | UNOPAR Científica : Ciências Biológicas e da Saúde | Gratis | . |
| UNOPAR Científica Ciências Exatas e Tecnológicas | 2002- | Universidade Norte do Paraná | Gratis | . |
| UNOPAR Científica Ciências Humanas e Educação | 2000- | Universidade Norte do Paraná | Gratis | . |
| UNOPAR Científica Ciências Jurídicas e Empresariais | 2000- | Universidade Norte do Paraná | Gratis | . |
| Unrest magazine Engaging systems of violence | 2010- | Unrest Magazine | Gratis | . |
| Unternehmen Barbarossa Edition geschichtswissenschaftlicher Beiträge | 2001- | Historisches Centrum Hagen | Gratis | . |
| Unternehmensforschung | 1956-1971 | Springer | . | Cambio a: Zeitschrift für Operations Research |
| Untersuchungen aus dem Botanischen Institut zu Tubingen | 1881-1888 | BioDiversity Heritage Library | Gratis | . |
| Untersuchungen aus dem Forstbotanischen Institut zu Munchen | 1882-1882 | BioDiversity Heritage Library | Gratis | . |
| UOC Papers Revista Sobre la Societat del Coneixement | 2005-2009 | Red ALyC | Gratis | . |
| UOC Papers Revista Sobre la Societat del Coneixement | 2005- | Universitat Oberta de Catalunya | Gratis | . |
| UOC Papers Revista Sobre la Societat del Coneixement | 2005- | RACO | Gratis | . |
| Update | 2003-2007 | Ebsco Academic | . | . |
| Update | 2003-2007 | Gale | . | . |
| UPDATE Applications of Research in Music Education | 1999- | HighWire Press, Stanford University | . | . |
| UPDATE Applications of Research in Music Education | 2003- | Ebsco Academic | . | . |
| UPDATE Applications of Research in Music Education | 2000-2007 | Gale | . | . |
| Update Dental College Journal | 2011- | BanglaJOL | Gratis | . |
| Update in Anaesthesia | 1992- | World Federation of Societies of Anaesthesiologists | Gratis | . |
| Update in Intensive Care and Emergency Medicine | 2005-2007 | Springer Series | . | . |
| Update in Intensive Care Medicine | 2005-2005 | Springer Series | . | . |
| Update on Cancer Therapeutics | 2006-2009 | Elsevier Science | . | . |
| Updates in Surgery | 2008- | Springer Series | . | . |
| Updates in Surgery | 2010- | Springer | . | . |
| UPGRADE The European Journal for the Informatics Professional | 2000- | CEPIS, Council of European Professional Informatics Societies, Frankfurt am Main | Gratis | . |
| Upholstery Manufacturing | 1996-2006 | ProQuest Information and Learning | . | . |
| UPI Space Daily | 2005- | ProQuest Information and Learning | . | . |
| UPO INNOVA Revista de innovación docente | 2012- | Universidad Pablo de Olavide | Gratis | . |
| Upper Limit in Mendeleev's Periodic Table : Element No. 155 | 2009-2009 | ProQuest Information and Learning | . | . |
| Uppsala Reports | 1996- | Uppsala Monitoring Centre | Gratis | . |
| Uprava | 2011-2012 | Ebsco Academic | . | . |
| Upsala Journal of Medical Sciences | 1972- | Taylor & Francis | Gratis | . |
| Upsala Journal of Medical Sciences | 2009- | PubMed Central | Gratis | . |
| Upside | 1994-2002 | ProQuest Information and Learning | . | . |
| Upstart Crow A Shakespeare Journal | 2007-2012 | Ebsco Academic | . | . |
| Upstart Crow A Shakespeare Journal | 2007-2012 | Gale | . | . |
| UR urbanismo | 1985-1992 | RACO | Gratis | . |
| Ural | 1996- | Ural | Gratis | . |
| Uranium Resources Production and Demand | 2011- excepto últimos 6 meses | ProQuest Information and Learning | . | . |
| Urban | 1997- excepto últimos 24 meses | Universidad Politécnica de Madrid | Gratis | . |
| Urban | 1997- | Dialnet | Gratis | . |
| Urban 2 0 | 2012- | Publish-Industry-Verlag | Gratis | . |
| Urban Affairs Review | 1999- | Ebsco EJS | . | . |
| Urban Affairs Review | 1999- | HighWire Press, Stanford University | . | . |
| Urban Affairs Review | 1997-1998 | Gale | . | . |
| Urban Agriculture | 2014- | Springer Series | . | . |
| Urban and environmental resources: a bibliography of English language periodicals | 1973-1973 | BioDiversity Heritage Library | Gratis | . |
| Urban and Landscape Perspectives | 2008- | Springer Series | . | . |
| Urban and Regional Planning Review | 2014- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Urban and Regional Research International | 2012- | Springer Series | . | . |
| Urban Anthropology | 1972-1984 | JSTOR | . | Cambio a: Urban Anthropology and Studies of Cultural Systems and World Economic Development |
| Urban Anthropology and Studies of Cultural Systems and World Economic Development | 1985- excepto últimos 36 meses | JSTOR | . | Cambio de: Urban Anthropology |
| Urban Climate | 2012- | Elsevier Science | . | . |
| Urban Design International | 2002- excepto últimos 12 meses | ProQuest Information and Learning | . | . |
| Urban Ecology | 1975-1986 | Elsevier Science | . | Cambio a: Landscape and Urban Planning |
| Urban Ecosystems | 1997- | Springer | . | . |
| Urban Ecosystems | 2011- excepto últimos 12 meses | Ebsco Academic | . | . |
| Urban Ecosystems | 1997- excepto últimos 12 meses | ProQuest Information and Learning | . | . |
| Urban Education | 1999- | HighWire Press, Stanford University | . | . |
| Urban education research and policy annuals | 2013- | University of North Carolina at Charlotte | Gratis | . |
| Urban Forestry & Urban Greening | 2002- | Elsevier Science | . | . |
| Urban Forum | 1990- | Springer | . | . |
| Urban Forum | 2001-2011 | Ebsco Academic | . | . |
| Urban Geography | 1997- | Taylor & Francis | . | . |
| Urban Geography | 1997- | Ebsco EJS | . | . |
| Urban Green File | 2012- | Ebsco Academic | . | . |
| Urban Habitats | 2003- | Center for Urban Restoration Ecology | Gratis | . |
| Urban History | 1999- | Cambridge University Press | . | Cambio de: Urban history yearbook |
| Urban History Review Revue d'Histoire Urbaine | 1972- | Ebsco Academic | . | . |
| Urban History Review Revue d'Histoire Urbaine | 1990- | Gale | . | . |
| Urban History Review Revue d'Histoire Urbaine | 2008- | Urban History Review | Gratis | . |
| Urban History Review Revue d'Histoire Urbaine | 1972- excepto últimos 24 meses | Erudit | Gratis | . |
| Urban Housing Sciences | 1993-2009 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Urban Lawyer | 2006- | Ebsco Academic | . | . |
| Urban Lawyer | 2007- excepto últimos14 dias | Gale | . | . |
| Urban Library Journal | 2007- | City University of New York | Gratis | . |
| Urban Library Journal | 2007- | Ebsco Academic | . | . |
| Urban Morphology | 1997-2003 | Keith Lilley Queens University | Gratis | . |
| Urban Morphology | 1997- | Keith Lilley Queens University | . | . |
| Urban Planning and Transport Research | 2013- | Taylor & Francis | Gratis | . |
| Urban Policy and Research | 1997- | Taylor & Francis | . | . |
| Urban Public Economics Review | 2004- | Red ALyC | Gratis | . |
| Urban Public Economics Review | 2007- | Ebsco Academic | . | . |
| Urban Public Economics Review | 2006- | ProQuest Information and Learning | . | . |
| Urban Rail Transit | 2015- | SpringerOpen | Gratis | . |
| Urban Review | 1967- | Springer | . | . |
| Urban Review | 1997-2011 | Ebsco Academic | . | . |
| Urban Studies | 1993-2007 | Ebsco Academic | . | . |
| Urban Studies | 1999- | HighWire Press, Stanford University | . | . |
| Urban Studies | 1994-2003 | Gale | . | . |
| Urban Studies | 1964- | Ebsco EJS | . | . |
| Urban Studies | 1997-2000 | ProQuest Information and Learning | . | . |
| Urban Studies Research | 2011- | Hindawi Publishing Corporation | Gratis | . |
| Urban Studies Research | 2012- | Gale | . | . |
| Urban Studies Research | 2011- | ProQuest Information and Learning | . | . |
| Urban Water | 1999-2002 | Elsevier Science | . | . |
| Urban Water Journal | 2004- | Taylor & Francis | . | . |
| Urban Water Journal | 2005- excepto últimos 18 meses | Ebsco Academic | . | . |
| Urban Water News | 2011-2011 | ProQuest Information and Learning | . | . |
| Urban world | 2008- | Human Settlements Programme | Gratis | . |
| Urbana Revista eletrônica do Centro Interdisciplinar de Estudos sobre a Cidade | 2006- | Universidade Estadual de Campinas | Gratis | . |
| Urbana Urban Affairs and Public Policy | 2001- | Urbana : Urban Affairs and Public Policy | Gratis | . |
| Urbani Izziv | 1993- | Urban Planning Institute of the Republic of Slovenia | Gratis | . |
| Urbani Izziv | 2010- | Ebsco Academic | . | . |
| Urbani Izziv | 2010- | ProQuest Information and Learning | . | . |
| Urbanism Arhitectura Constructii | 2010- | NR&DI URBAN-INCERC | Gratis | . |
| Urbanism Arhitectura Constructii | 2012- | Ebsco Academic | . | . |
| Urbanism Arhitectura Constructii | 2013- | ProQuest Information and Learning | . | . |
| Urbanistyka. Międzyuczelniane zeszyty naukowe | 2010- | Politechnika Krakowska im. | Gratis | . |
| URBANITIES Journal of the Commission on Urban Anthropology | 2011- | IUAES Commission on Urban Anthropology | Gratis | . |
| Urbano | 2000- | Red ALyC | Gratis | . |
| Urbano | 1997- | Universidad del Bio-Bio | Gratis | . |
| Urbano | 2004- | Ebsco Academic | . | . |
| Urbe et ius En línea | 2004- | . | Gratis | . |
| Urbe Revista Brasileira de Gestão Urbana | 2012- | SciELO (Brasil) | Gratis | . |
| Urbe Revista Brasileira de Gestão Urbana | 2009- | Red ALyC | Gratis | . |
| Urbe Revista Brasileira de Gestão Urbana | 2009- | Pontifícia Universidade Católica do Paraná (PUCPR) | Gratis | . |
| URBS Revista de Estudios Urbanos y Ciencias Sociales | 2011- | Universidad de Almería | Gratis | . |
| Urethanes Technology | 2001-2006 | Ebsco Academic | . | . |
| Urethanes Technology International | 2007- excepto últimos3 dias | Ebsco Academic | . | . |
| Urgences | 1981-1991 | Erudit | Gratis | Cambio a: Tangence |
| Urgences Medicales | 1995-1997 | Elsevier Science | . | Cambio a: Medecine de Catastrophe - urgences collectives |
| Urgent Care Alert | 2007-2007 | Gale | . | . |
| Urgent Communications | 2008- | Ebsco Academic | . | . |
| Urgent Communications | 2001- | ProQuest Information and Learning | . | . |
| Uric acid research | 1977-1988 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Urissanê | 2008-2009 | Universidade Luterana do Brasil | Gratis | . |
| Uro Gram | 2006- | Ebsco Academic | . | . |
| Urodinamica | 2005-2008 | Kurtis | Gratis
con registro personal | . |
| Urogynaecologia | 2000- | PAGEPress | Gratis | . |
| Urolithiasis | 2013- | Springer | . | Cambio de: Urological Research |
| Urologe B Der | 2001-2002 | Springer | . | Cambio a: Urologe Der |
| Urologe Der | 1996- | Springer | . | . |
| Urologia | 2008- | Ebsco Academic | . | . |
| Urologia | 2002-2006 | WICHTIG EDITORE - MEDICAL PUBLISHER | Gratis | . |
| Urologia Internationalis | 1998- | Karger Publishers | . | . |
| Urologia Internationalis | 2009-2012 | PubMed Central | Gratis
Artículos selectos | . |
| Urologic Clinics of North America | 1996- | Elsevier Science | . | . |
| Urologic Clinics of North America | 2007- | Clinical Key | . | . |
| Urologic Nursing | 2003- | Ovid Technologies, Inc. | . | . |
| Urologic Nursing | 2001- | Ebsco Academic | . | . |
| Urologic Nursing | 2012- | Gale | . | . |
| Urologic Oncology Seminars and Original Investigations | 1995- | Elsevier Science | . | . |
| Urologic Oncology Seminars and Original Investigations | 2007- | Clinical Key | . | . |
| Urologic Radiology | 1979-1992 | Springer | . | Cambio a: Gastrointestinal radiology |
| Urological Research | 1973-2012 | Springer | . | Cambio a: Urolithiasis |
