| Titulo | Fecha | Proveedor | Acceso | Cambio de titulo |
| U S Army Medical Department Journal | 2008-2018 | Ebsco Academic | . | . |
| U S Army Medical Department Journal | 1998-2018 | Department of Academic Support | Gratis | . |
| U S Banker | 1997-2011 | Ebsco Academic | . | . |
| 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 | 1991- | ProQuest Information and Learning | . | . |
| 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 | ProQuest Information and Learning | . | . |
| U S Import & Export Price Indexes | 2013- | Ebsco Academic | . | . |
| U S Import & Export Price Indexes | 2002- | ProQuest Information and Learning | . | . |
| U S Infrastructure Report | 2020- | Ebsco Academic | . | . |
| U S Kids | 1996-2007 | ProQuest Information and Learning | . | . |
| U S Naval Institute Proceedings | 1997-2017 | ProQuest Information and Learning | . | . |
| U S Neurology | 2013-2013 | Ebsco Academic | . | . |
| U S News & World Report | 1990-2010 | Ebsco Academic | . | . |
| U S Ophthalmic Review | 2013-2013 | Ebsco Academic | . | . |
| U S Pharmacist | 2005- | Jobson Publishing | Gratis | . |
| U S Rail News | 2009-2011 | Ebsco Academic | . | . |
| Učënye zapiski Sankt-Peterburgskogo gosudarstvennogo medicinskogo universiteta imeni akademika I. P. Pavlova | 2013- | . | Gratis | . |
| U.N.A.T.C. Journal of Drama Teaching | 2017- | UNATC Press | Gratis | . |
| U.Porto Journal of Engineering | 2015- | Universidade do Porto | Gratis | . |
| U.S. African Eye | 1998-2002 | ProQuest Information and Learning | . | . |
| U.S. Department of Defense Information / FIND | 2005- | ProQuest Information and Learning | . | . |
| U.S. Department of Labor Blog | 2018- | ProQuest Information and Learning | . | . |
| U.S. Food & Drug Administration Documents / FIND | 2005- | ProQuest Information and Learning | . | . |
| U.S. House of Representatives Democratic Caucus [BLOG] | 2018-2019 | ProQuest Information and Learning | . | . |
| U.S. House Rules Committee - Democrats [BLOG] | 2018-2019 | ProQuest Information and Learning | . | . |
| U.S. International Trade Commission Documents and Publications | 2010- | ProQuest Information and Learning | . | . |
| U.S. Newswire | 1998- | ProQuest Information and Learning | . | . |
| U.S. Postal Service Documents and Publications | 2016-2017 | ProQuest Information and Learning | . | . |
| U.S. Senate Republican Policy Committee [BLOG] | 2018-2019 | ProQuest Information and Learning | . | . |
| U.Today | 2021- | ProQuest Information and Learning | . | . |
| UAE Defence & Security Report | 2021- | Ebsco Academic | . | . |
| UAE Government News | 2013- | ProQuest Information and Learning | . | . |
| UAE Information Technology Report | 2009-2016 | ProQuest Information and Learning | . | . |
| UAE Oil & Gas Report | 2020- | Ebsco Academic | . | . |
| UAE yearbook | 2000- | National Media Council | Gratis | . |
| Uaricha | 2004- | Universidad Michoacana de San Nicolás de Hidalgo | Gratis | . |
| UBC Medical Journal | 2011- | Ebsco Academic | . | . |
| UBC Medical Journal | 2011- | University of British Columbia | Gratis | . |
| Ubiquitous Computing and Communication Journal | 2012-2013 | ProQuest Information and Learning | . | . |
| Ubiquitous Learning | 2009- | ProQuest Information and Learning | . | . |
| Ubiquity | 2000- | Association for Computing Machinery | . | . |
| Ubiquity | 2012-2020 | Ebsco Academic | . | . |
| Ubisi Mail | 2005-2012 | Sabinet | Gratis | . |
| UC Berkeley PhonLab Annual Report | 2018-2019 | ProQuest Information and Learning | . | . |
| UC Merced Undergraduate Research Journal | 2013- | eScholarship | Gratis | . |
| UCEJ (Untirta Civic Education Journal) | 2016- | Universitas Sultan Ageng Tirtayasa | Gratis | . |
| Ucenye zapiski Komsomol'skogo-na-Amure gosudarstvennogo tehniceskogo universiteta | 2010- | Komsomolsk-na-Amure State Technical University | Gratis | . |
| Uchenye Zapiski Kazanskogo Universiteta. Seriya Estestvennye Nauki | 2005- | . | Gratis | . |
| Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki | 1931- | Mathnet.ru | Gratis | . |
| Uchenye Zapiski Kazanskogo Universiteta. Seriya Gumanitarnye Nauki | 2013- | CEEOL | Gratis | . |
| Uchenye Zapiski Moskovskogo Gosudarstvennogo Universiteta | 1950-1959 | Nauka | Gratis | . |
| Uciencia revista de divulgación científica de la Universidad de Málaga | 2009- | Dialnet | Gratis | . |
| Uciencia revista de divulgación científica de la Universidad de Málaga | 2009- | Universidad de Málaga | Gratis | . |
| UCJC Business and Society Review | 2018- | Universidad Camilo José Cela | Gratis | . |
| UCJC Business and Society Review | 2010- | ProQuest Information and Learning | . | . |
| UCJC Business and Society Review | 2018- | Ebsco Academic | . | . |
| UCL Open Environment | 2019- | UCL Press | Gratis | . |
| UCL working papers in linguistics | 1996- | University College London | Gratis | . |
| UCLA Criminal Justice Law Review | 2017- | ProQuest Information and Learning | . | . |
| UCLA Entertainment Law Review | 2007- | Ebsco Academic | . | . |
| UCLA Entertainment Law Review | 2018-2021 | ProQuest Information and Learning | . | . |
| UCLA historical journal | 1980- | University of California | Gratis | . |
| UCLA Journal of Environmental Law & Policy | 2007- | Ebsco Academic | . | . |
| UCLA Journal of Environmental Law & Policy | 2018- | ProQuest Information and Learning | . | . |
| UCLA Journal of International Law & Foreign Affairs | 2007- | Ebsco Academic | . | . |
| UCLA Journal of Islamic & Near Eastern Law | 2007- | Ebsco Academic | . | . |
| UCLA Journal of Islamic & Near Eastern Law | 2013- | University of California (UCLA) | Gratis | . |
| UCLA Journal of Islamic & Near Eastern Law | 2017- | ProQuest Information and Learning | . | . |
| UCLA Journal of Law & Technology | 2007- | Ebsco Academic | . | . |
| UCLA Law Review | 2006- | Ebsco Academic | . | . |
| UCLA Pacific Basin Law Journal | 2007- | Ebsco Academic | . | . |
| UCLA Pacific Basin Law Journal | 2018- | ProQuest Information and Learning | . | . |
| UCLA Women's Law Journal | 2008-2021 | Ebsco Academic | . | . |
| UCLA Women's Law Journal | 2018- | ProQuest Information and Learning | . | . |
| UCLA Working Papers in Phonetics | 2004- | University of California, Los Angeles | Gratis | . |
| UCMaule Revista Académica de la Universidad Católica del Maule | 2007- | Ebsco Academic | . | . |
| UCOARTE Revista de Teoría e Historia del Arte | 2012- | Universidad de Cordoba | Gratis | . |
| UCV - Scientia | 2009- | Universidad Cesar Vallejo | Gratis | . |
| UCV - Scientia | 2009-2013 | Universidad Nacional Mayor de San Marcos, Peru. | Gratis | . |
| UCV-HACER Revista de Investigación y Cultura | 2012- | Red ALyC | Gratis | . |
| UCV-HACER Revista de Investigación y Cultura | 2014- | Universidad Cesar Vallejo | Gratis | . |
| Ucv-Scientia Biomedica | 2018- | Universidad Cesar Vallejo | Gratis | . |
| UD y la Geomática | 2007- | Universidad Distrital Francisco Jose de Caldas | Gratis | . |
| Udar mózgu Problemy interdyscyplinarne | 2001-2011 | Via Medica | Gratis | . |
| Udayana Journal of Law and Culture | 2017- | Faculty of Law University of Udayana | Gratis | . |
| UDC information | 1950-1958 | STA HealthCare Communications | Gratis | . |
| UDC information | 1950-1958 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Ueber das Bestehen und Wirken der Naturforschenden Gesellschaft zu Bamberg | 1856-1859 | 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 | . |
| Ufahamu a Journal of African Studies | 2009- | ProQuest Information and Learning | . | . |
| Ufimskij matematiceskij zurnal | 2011- | INST MATHEMATICS COMPUTER CENTER RUSSIA | Gratis | . |
| UFSQ Law Review | 2013- | Universidad San Francisco de Quito | Gratis | . |
| Ûg Rossii: Èkologiâ, Razvitie | 2006- | . | Gratis | . |
| Uganda Country Review | 2000- | Ebsco Academic | . | . |
| Uganda Country Risk Report | 2010-2017 | ProQuest Information and Learning | . | . |
| Uganda Defence & Security Report | 2021- | Ebsco Academic | . | . |
| Uganda Infrastructure Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Uganda Journal of Agricultural Sciences | 1993- | AJOL | Gratis | . |
| Uganda Power Report | 2013- | Ebsco Academic | . | . |
| Uganda Telecommunications Report | 2013- | Ebsco Academic | . | . |
| UHD Journal of Science and Technology | 2017- | University of Human Development | Gratis | . |
| UHD Journal of Science and Technology | 2021- | Ebsco Academic | . | . |
| UIC Research Journal | 2011- | University of the Immaculate Conception | Gratis | . |
| UIR Law Review | 2017- | UIR Press | 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 | . |
| UIS Ingenierías | 2005- | Red ALyC | Gratis | . |
| UJAH Unizik Journal of Arts and Humanities | 2010- | AJOL | Gratis | . |
| UJM (Unnes Journal of Mathematics) | 2012- | Universitas Negeri Semarang | Gratis | . |
| UK Autos Report | 2020- | Ebsco Academic | . | . |
| UK Economic Accounts | 2007-2017 | ProQuest Information and Learning | . | . |
| UK Regional Economic Outlook: Forecast Summary | 2010-2013 | ProQuest Information and Learning | . | . |
| UK Weekly | 2006-2010 | ProQuest Information and Learning | . | . |
| UKH Journal of Science and Engineering | 2017- | Univeristy of Kurdistan Hewler | Gratis | . |
| UKH Journal of Science and Engineering | 2021- | Ebsco Academic | . | . |
| UKH Journal of Social Sciences | 2017- | University of Kurdistan Hewler | Gratis | . |
| UKH Journal of Social Sciences | 2021- | Ebsco Academic | . | . |
| Ukio technologinis ir ekonominis vystymas | 2004-2010 | Taylor & Francis | . | Cambio a: Technological and Economic Development of Economy |
| Ukraïnskyj istorycnyj zurnal | 1999- | Instytut Istorii Ukrainy | Gratis | . |
| Ukraïnskyj istorycnyj zurnal | 2013- | Ebsco Academic | . | . |
| Ukrains'kij Hìmìoterapevti nij }urnal | 2002- | Institute of phthisiology and pulmonology, AMS | Gratis | . |
| Ukraine Agribusiness Report | 2010-2017 | ProQuest Information and Learning | . | . |
| Ukraine Autos Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Ukraine Commercial Banking Report | 2010-2016 | ProQuest Information and Learning | . | . |
| Ukraine Country Review | 2000- | Ebsco Academic | . | . |
| Ukraine Food & Drink Report | 2008-2016 | ProQuest Information and Learning | . | . |
| Ukraine Freight Transport Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Ukraine Infrastructure Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Ukraine Insurance Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Ukraine Metals Report | 2010-2016 | ProQuest Information and Learning | . | . |
| Ukraine Mining Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Ukraine Petrochemicals Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Ukraine Pharmaceuticals & Healthcare Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Ukraine Power Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Ukraine Telecommunications Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Ukraine Tourism Report | 2013- | Ebsco Academic | . | . |
| Ukrainian Biochemical Journal | 2011- | Naukova Dumka | Gratis | . |
| Ukrainian Black Sea Region Agrarian Science | 2022- | Ebsco Academic | . | . |
| Ukrainian Dental Almanac | 2015- | Ukrainian Medical Stomatological Academy | Gratis | . |
| Ukrainian Food Journal | 2012- | CABI Journals | . | . |
| Ukrainian Food Journal | 2012- | National University of Food Technologies | Gratis | . |
| Ukrainian Food Journal | 2012- | National University of Food Technologies | Gratis | . |
| Ukrainian Food Journal | 2013- | Ebsco Academic | . | . |
| Ukrainian Hydrometeorological Journal | 2015- | Odessa State Environmental University | Gratis | . |
| Ukrainian Journal of Cardiovascular Surgery | 2010- | Professional Edition Eastern Europe | Gratis | . |
| Ukrainian Journal of Ecology | 2011- | Alex Matsyura Publishing | Gratis | . |
| Ukrainian Journal of Ecology | 2011- | ProQuest Information and Learning | . | . |
| Ukrainian Journal of Ecology | 2017- | Ebsco Academic | . | . |
| Ukrainian Journal of Educational Studies and Information Technology | 2015- | Profi.Net.Ua Group; Department of Informatics and Cybernetics; Melitopol Bohdan Khmelnytsky State Pedagogical University | Gratis | . |
| Ukrainian Journal of Food Science | 2016- | Ebsco Academic | . | . |
| Ukrainian Journal of Nephrology and Dialysis | 2012- | State Institution «Institute of Nephrology NAMS of Ukraine' | 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 Veterinary and Agricultural Sciences | 2018- | Stepan Gzhytskyi National University of Veterinary Medicine and Biotechnologies Lviv | Gratis | . |
| Ukrainian Journal of Veterinary and Agricultural Sciences | 2022- | Ebsco Academic | . | . |
| Ukrainian Journal of Veterinary Sciences | 2019- | Ebsco Academic | . | . |
| Ukrainian Journal on Library and Information Science | 2018- | KNUKiM Publishing Centre | Gratis | . |
| Ukrainian Journal on Library and Information Science | 2018-2020 | ProQuest Information and Learning | . | . |
| Ukrainian Mathematical Bulletin | 1960- | National Academy of Science of Ukraine | Gratis | . |
| Ukrainian Mathematical Journal | 2003- excepto últimos 12 meses | Ebsco Academic | . | . |
| Ukrainian Mathematical Journal | 1967- | Springer | . | . |
| Ukrainian Numismatic Annual | 2017- | Hryhorii Skovoroda Pereyaslav-Khmelnytskyi State Pedagogical University, Institute of History of Ukraine of the National Academy of Sciences of Ukraine, Central Ukrainian National Technical University | Gratis | . |
| Ukrainian Policymaker | 2018- | Wordpress | Gratis | . |
| Ukrainian Religious Studies | 2013- | Ukrainian Association of Researchers of Religion (UARR) | Gratis | . |
| Ukrainian Sociological Journal | 2012- | V. N. Karazin Kharkiv National University | Gratis | . |
| Ukrainica Bioorganica Acta | 2004- | Institute of Molecular Biology and Genetics, Kyiv | Gratis | . |
| Ukrainica Bioorganica Acta | 2008-2016 | Ebsco Academic | . | . |
| Ukrainska Pravda | 2022- | ProQuest Information and Learning | . | . |
| Ukraninian Botanical Journal | 2013- | NAS of Ukraine | Gratis | . |
| UKSG eNews | 2012- | UKSG | Gratis | Cambio de: Serials-eNews |
| Ul'janovskij Mediko-Biologičeskij Žurnal | 2011- | Ul'janovskij Gosudarstvennyj Universitet | Gratis | . |
| Ulakbilge: Sosyal Bilimler Dergisi | 2013- | Sada Institute of Art and Language Studies | Gratis | . |
| Ulam Quarterly | 1992-1998 | University of Florida | Gratis | . |
| ULAuniversidad | 2007- | Universidad de Los Andes (Venezuela) | Gratis | . |
| ULBANDUS The Slavic Review of Columbia University | 2007-2016 | Ebsco Academic | . | . |
| ULBANDUS The Slavic Review of Columbia University | 1977- | JSTOR | . | . |
| Ulbra e Movimento Revista de Educação Física | 2011 | Centro Universitário Luterano de Ji-Paraná | Gratis | Cambio a: Acta Brasileira do Desenvolvimento Humano |
| Ulbra e Movimento Revista de Educação Física | 2010-2011 | Centro Esportivo Virtual | Gratis | Cambio a: Acta Brasileira do Desenvolvimento Humano |
| Ulcers | 2011-2015 | Hindawi Publishing Corporation | Gratis | . |
| Ulcers | 2010-2015 | Ebsco Academic | . | . |
| Ulkopolitiikka Lehti | 2020- | 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 | . |
| Ulster Star | 2011- | ProQuest Information and Learning | . | . |
| 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 | . |
| Ultimate Aptitude Tests : Assess Your Potential with Aptitude, Motivational and Personality Tests | 2008-2008 | ProQuest Information and Learning | . | . |
| Ultimate Interview : Make a Great Impression and Get that Job | 2008-2008 | ProQuest Information and Learning | . | . |
| Ultimate Job Search : Invaluable Advice on Networking, CVs, Cover Letters, Interviews, Psychometric Tests and Follow - Up Strategies | 2008-2008 | ProQuest Information and Learning | . | . |
| Ultimate Psychometric Tests : Over 1,000 Verbal, Numerical, Diagrammatic and IQ Practice Tests | 2008-2008 | ProQuest Information and Learning | . | . |
| Último andar Cadernos de pesquisa em ciências da religião | 2005- | Universidade Católica de São Paulo | Gratis | . |
| Ultimo banco | 1954 | Università di Bologna | Gratis | . |
| Ultrafast Science | 2021- | American Association for the Advancement of Science | Gratis | . |
| Ultragarsas | 1996- | Kaunas University of Technology | Gratis | . |
| UltraMarine Magazine | 2013-2017 | ProQuest Information and Learning | . | . |
| Ultramicroscopy | 1975- | Elsevier Science | . | . |
| Ultrasonic Imaging | 1979-1996 | Elsevier Science | . | . |
| Ultrasonic Imaging | 1999- | Sage Journals | . | . |
| Ultrasonics | 1963- | Elsevier Science | . | . |
| Ultrasonics Sonochemistry | 1994- | Elsevier Science | . | . |
| Ultrasonics Sonochemistry | 2021- | PubMed Central | Gratis | . |
| Ultrasonography | 2013- | Korean Society of Ultrasound in Medicine | Gratis | . |
| Ultrasonography | 2014- | PubMed Central | Gratis | . |
| Ultrasonography | 2014- | Ebsco Academic | . | . |
| Ultrasonography | 2002- | ProQuest Information and Learning | . | . |
| Ultrasound | 2014- excepto últimos 12 meses | PubMed Central | Gratis | . |
| Ultrasound Anesthesia Journal | 2013- | Ultrasound Anesthesia Journal | Gratis | . |
| Ultrasound Clinics | 2006-2014 | Elsevier Science | . | . |
| Ultrasound in Medicine & Biology | 1975- | Elsevier Science | . | . |
| Ultrasound in Medicine & Biology | 2007- | Clinical Key | . | . |
| 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 International Open | 2015- | PubMed Central | Gratis | . |
| Ultrasound Journal | 2019- | SpringerOpen | Gratis | Cambio de: Critical Ultrasound Journal |
| Ultrasound Journal | 2019- | PubMed Central | Gratis | Cambio de: Critical Ultrasound Journal |
| Ultrasound Journal | 2009- | ProQuest Information and Learning | . | Cambio de: Critical Ultrasound Journal |
| Ultrasound Journal | 2009- | Springer | . | Cambio de: Critical Ultrasound Journal |
| Ultrasound Quarterly | 2015- | 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 | 1997- | Taylor & Francis | . | . |
| Ultrastructural Pathology | 1999- excepto últimos 12 meses | Ebsco Academic | . | . |
| Ultreya revista quincenal de cultura galaica arte | 1919-1920 | Galiciana | Gratis | . |
| Ulúa Revista de Historia Sociedad y Cultura | 2003- | Universidad Veracruzana | Gratis | . |
| Uludağ University journal of The Faculty of Engineering and Architecture | 2002- | Uludağ University | Gratis | . |
| Uludag Bee Journal | 2008- | Ebsco Academic | . | . |
| Uludag Bee Journal | 2021- | Dergipark | Gratis | . |
| Uludag Journal of Economy & Society | 2015- | ProQuest Information and Learning | . | . |
| Uludag Journal of Economy & Society | 2021- | Ebsco Academic | . | . |
| Uludag Journal of Economy & Society | 2012-2020 | Ebsco Academic | . | . |
| Uludag Journal of Theology | 2023- | Ebsco Academic | . | . |
| Uludag Universitesi Ilahiyat Fakultesi Dergisi | 1986- | Dergipark | Gratis | . |
| Uludag Universitesi Ilahiyat Fakultesi Dergisi | 2010- | Ebsco Academic | . | . |
| UludaÄŸ University Journal of The Faculty of Engineering | 2002- | Uludag University | Gratis | . |
| UludaÄŸ University Journal of The Faculty of Engineering | 2022- | Ebsco Academic | . | . |
| Ulul Albab | 2010- | UIN Press | Gratis | . |
| Ulul Albab | 2010- | ProQuest Information and Learning | . | . |
| Ulul Albab: Jurnal Studi dan Penelitian Hukum Islam | 2017- | Universitas Islam Sultan Agung | Gratis | . |
| ULUM | 2018- | ULUM: Journal of Religious Inquiries | Gratis | . |
| ULUM | 2020- | Ebsco Academic | . | . |
| Ulumuna | 2010- | State Islamic University (UIN) Mataram | Gratis | . |
| Ulusal Romatoloji Dergisi | 2009- | ProQuest Information and Learning | . | . |
| Ulusal Romatoloji Dergisi | 2018- | Ebsco Academic | . | . |
| Uluslararas Iliskiler | 2019- | JSTOR | Gratis | . |
| Uluslararası Bilimsel Arastırmalar Dergisi | 2016- | Dergipark | Gratis | . |
| Uluslararası Ekonomi ve Yenilik Dergisi | 2015- | Dergipark | Gratis | . |
| Uluslararası Ekonomi ve Yenilik Dergisi | 2016- | Ebsco Academic | . | . |
| Uluslararası Tarım ve Yaban Hayatı Bilimleri Dergisi | 2015- | Dergipark | Gratis | . |
| 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 Hukuk ve Politika | 2011-2016 | ProQuest Information and Learning | . | . |
| Uluslararasi Suçlar ve Tarih | 2011- | Ebsco Academic | . | . |
| Uluslararasi uygur arastirmalariı dergisi | 2013- | Uludag Üniversitesi | Gratis | . |
| Umanistica Digitale | 2017- | Università di Bologna | Gratis | . |
| 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 | . |
| Umbral Santiago | 2015- | Centro de Investigación y Estudios Literarios | Gratis | . |
| Umbrales Revista del Postgrado Multidisciplinario en Ciencias del Desarrollo | 1993- | Universidad Mayor de San Andres | Gratis | . |
| Umbrales Revista del Postgrado Multidisciplinario en Ciencias del Desarrollo | 2008-2012 | Revistas Bolivianas | Gratis | . |
| Umbrella Online | 2005-2008 | Ebsco Academic | . | . |
| Umbrella Online | 1978-2008 | IUPUI | Gratis | . |
| UMCI News | 2010-2015 | ProQuest Information and Learning | . | . |
| UMDE Journal of Religious Inquiries | 2022- | Ebsco Academic | . | . |
| UME | 1996- | Ume magazine | Gratis | . |
| UME | 2011-2011 | Ebsco Academic | . | . |
| Umeni Art | 2006- | Ebsco Academic | . | . |
| Umjetnost Rijei | 2012- | Croatian Philological Society | Gratis | . |
| UMK Procedia | 2014-2014 | Elsevier Science | Gratis | . |
| UMR Upgto Management Review | 2015- | Universidad Politécnica de Guanajuato | Gratis | . |
| Umraniye Pediatri Dergisi | 2021-2021 | ProQuest Information and Learning | . | . |
| Umsatzsteuer Rundschau | 2014- excepto últimos 12 meses | Ebsco Academic | . | . |
| Umsatzsteuer Rundschau | 2015-2019 | ProQuest Information and Learning | . | . |
| Umsebenzi | 1985-1993 | Digital Innovation South Africa | Gratis | . |
| UMT Education Review | 2018- | University of Management and Technology | Gratis | . |
| Umtica | 2018- | University of Malaga | Gratis | . |
| UMTRI Research Review | 2004-2016 | Ebsco Academic | . | . |
| UMTRI Research Review | 1997-2016 | ProQuest Information and Learning | . | . |
| UMTRI Research Review | 2000- | University of Michigan | Gratis | . |
| Umwelt Aktuell | 2014-2019 | Ebsco Academic | . | . |
| Umweltbeauftragte | 2014- | Ebsco Academic | . | . |
| Umweltwissenschaften und Schadstoff-Forschung | 1997-2010 | ProQuest Information and Learning | . | Cambio a: Environmental Sciences Europe |
| UN Global Compact Reports | 2006- | GSE Research | Gratis | . |
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| UN Monthly Bulletin of Statistics | 1991- | United Nations Statistical Office | Gratis | . |
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| Uncertain Supply Chain Management | 2013- | Growing Science | Gratis | . |
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| Uncommon culture | 2010- | University of Illinois at Chicago | Gratis | . |
| Unconventional Resources | 2021- | Elsevier Science | Gratis | . |
| Uncoverings | 1990- | Ebsco Academic | . | . |
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| Underground Construction | 1999-2022 | Ebsco Academic | . | . |
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| Understanding and dismantling privilege | 2010- | University of Colorado at Colorado Springs | Gratis | . |
| Understanding Bach | 2014-2017 | Ebsco Academic | . | . |
| Understanding China | 2013- | Springer Series | . | . |
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| Understanding Health Policy : a Clinical Approach | 2009-2009 | ProQuest Information and Learning | . | . |
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| Unfallchirurgie Accident surgery | 1975-1999 | Springer | . | Cambio a: European journal of trauma |
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| 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 | . |
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| Universal journal of management and social sciences | 2011- | Centre for Promoting Research Excellence | Gratis | . |
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| Universal Research Journal of Dentistry | 2011-2016 | Wolters Kluwer Health - Medknow | Gratis | . |
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Registro individual requerido | . |
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| Universe of History & Archeology Unìversum Ìstorìï ta Arheologìï | 2020- | Ebsco Academic | . | . |
| Universia Business Review | 2004- | Red ALyC | Gratis | . |
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| Universia Business Review | 2004- | Dialnet | Gratis | . |
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| Universidad Ciencia y Tecnología | 2018- | Universidad Nacional Experimental Politécnica “Antonio José de Sucre”. | Gratis | . |
| Universidad de La Habana | 2014- | SciELO (Cuba) | 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 Médica Pinareña | 2016- | Medigraphic | Gratis | . |
| Universidad Médica Pinareña | 2005- | Universidad de Ciencias Médicas de Pinar del Río | Gratis | . |
| Universidad Médica Pinareña | 2005- | Universidad Medica de Pina del Rio | Gratis | . |
| Universidad y Ciencia | 2010- | CAMJOL | Gratis | . |
| Universidad y Ciencia | 2005- | Consejo Nacional de Universidades | Gratis | . |
| Universidad y Ciencia | 2001-2013 | Red ALyC | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 1984-2013 | Universidad Juarez Autonoma de Tabasco | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2001- | Dialnet | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2008-2013 | SciELO (Mexico) | Gratis | Cambio a: Ecosistemas y Recursos Agropecuarios |
| Universidad y Ciencia | 2010-2013 | 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 | 2017- | SciELO (Colombia) | Gratis | . |
| Universidad y Salud | 2010- | SciELO (Colombia) | Gratis | . |
| Universidad y Salud | 2000- | Universidad de Nariño | Gratis | . |
| Universidad y Sociedad | 1996 | Universidad Nacional Mayor de San Marcos, Peru. | Gratis | . |
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| Universidad y sociedad | 2015- | SciELO (Cuba) | Gratis | . |
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| Universidad, Escuela y Sociedad | 2021- | Ebsco Academic | . | . |
| Universidades | 2000- | Unión de Universidades de América Latina (UDUAL) | Gratis | . |
| Universidades | 2002- | Red ALyC | Gratis | . |
| Universitaria docencia investigación e innovación | 2012- | Universidad de Nariño | Gratis | . |
| Universitas Arquitetura e Comunicação Social | 2008- | Centro Universitário de Brasilia | Gratis | . |
| Universitas Arquitetura e Comunicação Social | 2012-2016 | Ebsco Academic | . | . |
| Universitas Canónica | 2008-2019 | Ebsco Academic | . | . |
| Universitas Canónica | 2010- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Ciências da Saúde | 2003- | Centro Universitário de Brasilia | Gratis | . |
| Universitas Ciências da Saúde | 2013-2017 | Ebsco Academic | . | . |
| 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 | 1971- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Humanistica | 2012-2020 | ProQuest Information and Learning | . | . |
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| Universitas Jus | 2009-2016 | Ebsco Academic | . | . |
| Universitas Jus | 2007-2016 | ProQuest Information and Learning | . | . |
| Universitas León Revista Científica de la UNAN León | 2007- | CAMJOL | Gratis | . |
| Universitas León Revista Científica de la UNAN León | 2007- | Consejo Nacional de Universidades | Gratis | . |
| Universitas Médica | 2010- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Médica | 2000- | Imbiomed | Gratis
Registro individual requerido | . |
| Universitas Médica | 2005- | Red ALyC | Gratis | . |
| Universitas Médica | 2018- | SciELO (Colombia) | Gratis | . |
| 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 | 2011- | Imbiomed | Gratis
registro individual requerido | . |
| Universitas Odontológica | 2011- | ProQuest Information and Learning | . | . |
| Universitas Philosophica | 2002- | Ebsco Academic | . | . |
| Universitas Philosophica | 2010- | SciELO (Colombia) | Gratis | . |
| Universitas Philosophica | 2007- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Philosophica | 2005- | Red ALyC | Gratis | . |
| Universitas Philosophica | 2011- | ProQuest Information and Learning | . | . |
| Universitas Psychologica | 2005-2009 | PePSIC | Gratis | . |
| Universitas Psychologica | 2005-2020 | SciELO (Colombia) | Gratis | . |
| Universitas Psychologica | 2002- | Red ALyC | Gratis | . |
| Universitas Psychologica | 2006- | Ebsco Academic | . | . |
| Universitas Psychologica | 2006- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Psychologica | 2011-2021 | ProQuest Information and Learning | . | . |
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| Universitas Relações Internacionais | 2009-2016 | Ebsco Academic | . | . |
| Universitas Relações Internacionais | 2004-2016 | ProQuest Information and Learning | . | . |
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| Universitas Scientiarum | 2000- | Red ALyC | Gratis | . |
| Universitas Scientiarum | 1987- | Pontificia Universidad Javeriana | Gratis | . |
| Universitas Scientiarum | 2008- | SciELO (Colombia) | Gratis | . |
| Universitas Scientiarum | 2012- | ProQuest Information and Learning | . | . |
| Universitas, Revista de Ciencias Sociales y Humanas | 2002- | Universidad Politécnica Salesiana del Ecuador | Gratis | . |
| Universitas, Revista de Ciencias Sociales y Humanas | 2010- | Red ALyC | Gratis | . |
| Universitas, Revista de Ciencias Sociales y Humanas | 2017- | Scielo (Ecuador) | Gratis | . |
| Universitatii Bucuresti Analele Seria Stiinte Economice si Administrative | 2007-2016 | ProQuest Information and Learning | . | . |
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| University Business | 2001-2021 | Ebsco Academic | . | . |
| University Chemistry | 2023- | Ebsco Academic | . | . |
| University Chemistry Education | 1997-2004 | Royal Society of Chemistry | Gratis | . |
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| University Economic Bulletin | 2016- | Pereiaslav-Khmelnytsky Hryhorii Skovoroda State Pedagogical University | Gratis | . |
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| 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 Management: Practice and Analysis | 2005- | Ural Federal University | 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 | 2003-2016 | Ebsco Academic | . | . |
| University of Baltimore Journal of Environmental Law | 2010-2010 | Ebsco Academic | . | . |
| University of Baltimore Journal of Land & Development | 2011-2018 | Ebsco Academic | . | . |
| University of Bologna Law Review | 2016- | University of Bologna | Gratis | . |
| University of British Columbia's Undergraduate Journal of Psychology | 2012- | University of British Columbia | Gratis | . |
| University of Bucharest Review - Series Literary and Cultural Studies | 2008- | University of Bucharest | Gratis | . |
| University of Bucharest Review. Literary and Cultural Studies Series | 2012- | University of Bucharest | Gratis | . |
| 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 Dar es Salaam Library Journal | 2001- | AJOL | Gratis | . |
| University of Denver Water Law Review | 2008-2019 | Ebsco Academic | . | . |
| University of Engineering and Technology Taxila Technical Journal | 2013-2017 | 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 Gaziantep Journal of Social Sciences | 1992- | Dergipark | Gratis | . |
| University of Haripur Journal of Management UOHJM | 2016-2017 | ProQuest Information and Learning | . | . |
