| Titulo | Fecha | Proveedor | Acceso | Cambio de titulo |
| Official Circulars of Public Documents and Information | 1840-1852 | Gale MOMW | . | . |
| Official Gazette of the Trades' Unions | 1834 | Gale MOMW | . | . |
| official journal of Congeital Anomalies Research Association of Japan | 1963-1986 | National Institute of Informatics Japan | Gratis | . |
| official journal of Congeital Anomalies Research Association of Japan | 1963-1983 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Official Journal of Japan Society of Ningen Dock | 2005- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Official Journal of the Japan Association of Endocrine Surgeons and the Japanese Society of Thyroid Surgery | 2012-2022 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Official Journal of the Japan Association of Endocrine Surgery | 2023- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Official Journal of the Japanese Society of Human Dry Dock | 1986-2005 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Official Journal of the Japanese Society of Interventional Radiology | 2010- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis
selecciones disponibles | . |
| Officiel art | 2010- | Éditions Jalou | Gratis | . |
| Officiel de la mode | 2008-2018 | Jalou Gallery | Gratis | . |
| Officina della Storia | 2008-2015 | Open Edition | Gratis | . |
| Óffnungszeiten Papiere zur Designwissenschaft | 2012- | Fachhochschule Lübeck | Gratis | . |
| Offscreen | 1997- | ProQuest Information and Learning | . | . |
| Offshore | 1995- | PennWell Corporation | Gratis | . |
| Offshore | 1995- excepto últimos 3 meses | Ebsco Academic | . | . |
| Oficina do Historiador | 2010- | Pontificia Universidade Católica do Rio Grande do Sul | Gratis | . |
| Oficina Revista de história | 2013 | Wayback Machine | Gratis
http://web.archive.org/web/20130816192348/http://www.ugf.br/index.php?q=historia/revista | . |
| Oficio, revista de historia e interdisciplina | 2013- | Universidad de Guanajuato | Gratis | . |
| Oficios Terrestres | 1995- | Universidad Nacional de la Plata | Gratis | . |
| Oficios Terrestres | 2011- | Universidad Nacional de la Plata | Gratis | . |
| Ofioliti | 1998- | Edizioni ETS | Gratis | . |
| Oftal'mokhirurgiya | 2012- | ProQuest Information and Learning | . | . |
| Oftalmologiceskie vedomosti | 2013- | . | Gratis | . |
| Ogden Standard Examiner | 1991-1997 | ProQuest Information and Learning | . | . |
| Ogigia Revista Electrónica de Estudios Hispanicos | 2011- | Universidad de Valladolid | Gratis | . |
| OGIRISI a New Journal of African Studies | 2008- | AJOL | Gratis | . |
| Oglinda literarã Revista de culturã civilizatie s i atitudine | 2008- | . | Gratis | . |
| Ogrody Nauk i Sztuk | 2013- | Ebsco Academic | . | . |
| OH & S Canada | 1992-2011 | ProQuest Information and Learning | . | . |
| Ohio | 1986-2010 | ProQuest Information and Learning | . | . |
| Ohio beetles bulletin Occasional publication of the Ohio Coleopterists | 2009-2018 | BioDiversity Heritage Library | Gratis | . |
| Ohio Biological Survey notes | 1998-2019 | BioDiversity Heritage Library | Gratis | . |
| Ohio Capital Journal | 2021- | ProQuest Information and Learning | . | . |
| Ohio Cardinal | 1978-2016 | SORA | Gratis | . |
| Ohio Cardinal | 1978- excepto últimos 12 meses | Ohio Ornithological Society | Gratis | . |
| Ohio CPA Journal | 1994-2002 | Ebsco Academic | . | . |
| Ohio CPA Journal | 1987-2002 | ProQuest Information and Learning | . | . |
| Ohio History | 1887-2004 | Ohio Historical Society | Gratis | . |
| Ohio Journal of Science | 1900-1914 | Ohio State University | Gratis | . |
| Ohio Journal of Science | 2004- | Ebsco Academic | . | . |
| Ohio Journal of Science | 1900-1922 | BioDiversity Heritage Library | Gratis | . |
| Ohio Journal of Science | 2014- | Ohio Academy of Science' | Gratis | . |
| Ohio Journal of Science | 2001- | ProQuest Information and Learning | . | . |
| Ohio Journal of Science | 1909-1922 | BioDiversity Heritage Library | Gratis | . |
| Ohio Libraries | 2000-2005 | ProQuest Information and Learning | . | . |
| Ohio Manufacturer | 1995-1999 | ProQuest Information and Learning | . | . |
| Ohio Media Spectrum | 1998-2014 | Ebsco Academic | . | . |
| Ohio Media Spectrum | 1998-2016 | ProQuest Information and Learning | . | . |
| Ohio Mining Journal | 1882-1898 | Ohio State University | Gratis | . |
| Ohio Mycological Bulletin | 1903-1908 | BioDiversity Heritage Library | Gratis | Cambio a: Mycological Bulletin |
| Ohio Mycological Bulletin | 1903-1903 | JSTOR | Gratis | Cambio a: Mycological Bulletin |
| Ohio naturalist | 1900-1915 | BioDiversity Heritage Library | Gratis | . |
| Ohio naturalist and journal of science | 1900-1912 | Hathitrust | Gratis | Cambio de: O.S.U. naturalist |
| Ohio Nurse | 2019- | ProQuest Information and Learning | . | . |
| Ohio Nurses Review | 2003- | Ebsco Academic | . | . |
| Ohio Nurses Review | 2019- | ProQuest Information and Learning | . | . |
| Ohio Reading Teacher | 2002-2014 | ProQuest Information and Learning | . | . |
| Ohio Sociologist The | 1927-1938 | JSTOR | . | Cambio a: Ohio Valley Sociologist, The |
| Ohio State Journal on Dispute Resolution | 2005- | Ebsco Academic | . | . |
| Ohio State Law Journal | 2000- | Ohio State University, College of Law | Gratis | . |
| Ohio State online music journal OSOM | 2008-2009 | Wayback Machine | Gratis | . |
| Ohio Valley History | 2001- | Project Muse | . | . |
| Ohio Valley Sociologist The | 1938-1944 | JSTOR | . | Cambio de: Ohio Sociologist, The | Cambio a: Sociological Focus |
| Ohioana quarterly | 2014- | . | Gratis | . |
| OHM Obradoiro de historia moderna | 1992- | Universidad de Santiago de Compostela | Gratis | . |
| OIDA international journal of sustainable development | 2010- | Ontario International Development Agency | Gratis | . |
| Oideion Performing Arts Online | 1997-2005 | Research School of Asian, African and Amarindian Studies , Leiden | Gratis | . |
| Oikos | 2000- | Wiley Online Library | . | . |
| Oikos | 1949- excepto últimos 84 meses | JSTOR | . | . |
| Oikos | 1987-2010 | Universidad de Antioquia | Gratis | . |
| Oikos Polis | 2016- | Universidad Autónoma Gabriel René Moreno | Gratis | . |
| Oikos Polis | 2016- | SciELO (Bolivia) | Gratis | . |
| Oikos Polis | 2016-2018 | Revistas Bolivianas | Gratis | . |
| Oikos Publicación del Instituto de Ecología UNAM | 1990- | BioDiversity Heritage Library | Gratis | . |
| Oikos Revista de la Escuela de Administración y Economía | 2007- | Dialnet | Gratis | . |
| OIKOS Rio de Janeiro | 2006- | Universidade Federal do Rio de Janeiro | Gratis | . |
| Oikos: Jurnal Kajian Pendidikan Ekonomi dan Ilmu Ekonomi | 2016- | Universitas Pasundan | Gratis | . |
| Oil & Energy Trends | 2012- excepto últimos 12 meses | Ebsco Academic | . | . |
| Oil & fat industries | 1927-1931 | Springer | . | Cambio de: Journal of oil & fat industries | Cambio a: Oil and soap |
| Oil & Gas Interests Newsletter | 1995-2002 | ProQuest Information and Learning | . | . |
| Oil & Gas Investor | 1987- | ProQuest Information and Learning | . | . |
| Oil & Gas Investor This Week | 2007-2010 | Ebsco Academic | . | . |
| Oil & Gas Investor This Week | 1995-2016 | ProQuest Information and Learning | . | . |
| Oil & Gas Journal | 1991-2013 | ProQuest Information and Learning | . | . |
| Oil & Gas News | 2008- | ProQuest Information and Learning | . | . |
| Oil & Gas News | 2011-2011 | ProQuest Information and Learning | . | . |
| Oil & Gas Product News | 2013-2016 | Ebsco Academic | . | . |
| Oil & Gas Review | 2018-2018 | ProQuest Information and Learning | . | . |
| Oil & Gas Science and Technology | 1999-2021 | EDP Sciences | Gratis | Cambio de: Revue de l'Institut français du pétrole | Cambio a: Science and Technology for Energy Transition (STET) |
| Oil & Gas Science and Technology | 2020-2021 | Ebsco Academic | . | Cambio de: Revue de l'Institut français du pétrole | Cambio a: Science and Technology for Energy Transition (STET) |
| Oil & soap | 1932-1946 | Springer | . | Cambio de: Oil & fat industries | Cambio a: Journal of the American Oil Chemists' Society JAOCS |
| Oil and Energy Trends Annual Statistical Review | 2005- | Wiley Online Library | . | . |
| Oil and Energy Trends Annual Statistical Review | 2013- excepto últimos 12 meses | Ebsco Academic | . | . |
| Oil and Gas Technology [BLOG] | 2018- | ProQuest Information and Learning | . | . |
| Oil Crop Science | 2020- | Elsevier Science | Gratis | . |
| Oil Crop Science | 2022- | Ebsco Academic | . | . |
| Oil Crops Outlook | 1995- | U.S. Department of Agriculture | Gratis | . |
| Oil Daily | 2002-2010 | ProQuest Information and Learning | . | . |
| Oil Drilling & Production Technology Shiyou Zuancai Gongyi | 2012- | Ebsco Academic | . | . |
| Oil Gas & Petrochem Equipment | 2005-2006 | ProQuest Information and Learning | . | . |
| Oil Gas Coal & Electricity Quarterly Statistics Electricite charbon gaz et petrole statistiques trimestrielles | 1999- | OECD iLibrary | . | . |
| Oil Gas Coal & Electricity Quarterly Statistics Electricite charbon gaz et petrole statistiques trimestrielles | 2002-2005 | Ebsco Academic | . | . |
| Oil Shale | 2003- | Ebsco Academic | . | . |
| Oil Shale | 2010- | ProQuest Information and Learning | . | . |
| Oil Shale | 2021- | Estonian Academy Publishers | Gratis | . |
| Oil Spill Intelligence Report | 2003-2020 | Ebsco Academic | . | . |
| Oil Spill Intelligence Report | 2004-2020 | ProQuest Information and Learning | . | . |
| OilandGasMiddleEast.com | 2012-2020 | ProQuest Information and Learning | . | . |
| Oilseeds and Fats, Crops and Lipids | 2016-2020 | ProQuest Information and Learning | . | . |
| Oilseeds and Fats, Crops and Lipids | 2000- | EDP Sciences | Gratis | . |
| Oilseeds Focus | 2021- | Ebsco Academic | . | . |
| Oilweek | 1996-2017 | ProQuest Information and Learning | . | . |
| OIT Times Office of Industrial Technologies | 1997-2002 | U.S. Department of Energy, Office of Industrial Technologies | Gratis | . |
| Ojo | 2021- | ProQuest Information and Learning | . | . |
| OJS pa dansk | 2010- | Aarhus Universitet | Gratis | . |
| Okajimas Folia Anatomica Japonica | 1936-2019 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Okamoto Medical Journal | 2023- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| OKARA Geografia em Debate | 2012- | Ebsco Academic | . | . |
| OKARA Geografia em Debate | 2007- | Universidade Federal da Paraíba | Gratis | . |
| Okara: Jurnal Bahasa dan Sastra | 2011- | State College of Islamic Studies Pamekasan (STAIN Pamekasan) | Gratis | . |
| Okayama Daigaku Bungakubu kiyo | 2012- | Okaya University | Gratis | . |
| Okayama Igakkai Zasshi Journal of Okayama Medical Association | 1947- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis
selecciones disponibles | . |
| Okayama Igakkai Zasshi Journal of Okayama Medical Association | 1947- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis
selecciones disponibles | . |
| okayama psychological association presentation and conference paper | 2021- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| OKC Central [The Daily Oklahoman, Oklahoma City, Oklahoma - BLOG] | 2009-2014 | ProQuest Information and Learning | . | . |
| Okeanos | 2018- | Ebsco Academic | . | . |
| Oklahoma archeology Journal of the Oklahoma Anthropological Society | 2002-2005 | Internet Archive | Gratis | . |
| Oklahoma Business Bulletin | 2002-2015 | ProQuest Information and Learning | . | . |
| Oklahoma City University Law Review | 2011- | Ebsco Academic | . | . |
| Oklahoma Dental Association Journal | 2007- | Ebsco Academic | . | . |
| Oklahoma librarian | 1950-2018 | Oklahoma Library Association | Gratis | . |
| Oklahoma Men | 2001-2010 | ProQuest Information and Learning | . | . |
| Oklahoma Native Plant Record | 2001- | Oklahoma State University | Gratis | . |
| Oklahoma nurse | 2004- | Ebsco Academic | . | . |
| Oklahoma nurse | 2019- | ProQuest Information and Learning | . | . |
| Oklahoma Politics | 1992- | Oklahoma State University | Gratis | . |
| Oklahoma Voice [BLOG] | 2023- | ProQuest Information and Learning | . | . |
| Oklahoma Watch [BLOG] | 2018- | ProQuest Information and Learning | . | . |
| Oklahoma Water Resources Research Institute | 1966- | Oklahoma State University | Gratis | . |
| Oklahoma Woman | 2000-2016 | ProQuest Information and Learning | . | . |
| Okmeydani Tip Dergisi Medical Journal of Okmeydani Training & Research Hospital | 2015-2018 | Ebsco Academic | . | . |
| Okologisches Wirtschaften | 2014- | Ebsco Academic | . | . |
| Oksident | 2019- | Dergipark | Gratis | . |
| Oksident | 2021- | Ebsco Academic | . | . |
| Oktjabr | 1996-2018 | Oktjabr | Gratis | . |
| Ola financiera | 2008- | UNAM | Gratis | . |
| Ola financiera | 2015-2015 | SciELO (Mexico) | Gratis | . |
| Ola financiera | 2008- | UNAM | Gratis | . |
| OLA Quarterly | 1995- | Oregon Library Association | Gratis | . |
| OLA Quarterly | 1995- | Ebsco Academic | . | . |
| Olba Journal | 2009- | Ebsco Academic | . | . |
| Olba Journal | 2009- | ProQuest Information and Learning | . | . |
| OLBI Working Papers | 2010- | University of Ottawa | Gratis | . |
| Old Age Psychiatrist | 2016- | Royal College of Pharmacists, Faculty for the Psychiatry of Old Age | Gratis | . |
| Old and New Testament Student | 1889-1892 | JSTOR | . | Cambio de: The Old Testament Student | Cambio a: The Biblical World |
| Old English newsletter | 1998- | University of Tennessee | Gratis | . |
| Old Guard | 1863-1867 | Hathitrust | Gratis | . |
| Old Guard | 1864- | Making of America Project Michigan | Gratis | . |
| Old Potter's Almanack The | 2009- | Universitatsbibliothek Heidelberg | Gratis | . |
| Old Testament Essays | 2008- | SciELO (South Africa) | Gratis | . |
| Old Testament Essays | 2002- | Sabinet | Gratis | . |
| Old Testament Student | 1883-1889 | JSTOR | . | Cambio de: The Hebrew Student | Cambio a: The Old and New Testament Student |
| Old Time Herald | 2009- | Ebsco Academic | . | . |
| Old World Journal of Ancient Africa and Eurasia | 2021- | Brill | Gratis | . |
| Older Americans : a Changing Market | 2009-2009 | ProQuest Information and Learning | . | . |
| Older Americans : a Changing Market | 2012-2012 | ProQuest Information and Learning | . | . |
| Oldman River Dam ... raptor mitigation program | 1990-1993 | BioDiversity Heritage Library | Gratis | . |
| Oldman River Dam Project fisheries evaluation program, ... annual report | 1989-1989 | BioDiversity Heritage Library | Gratis | . |
| Oleoscience | 2001- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | Gratis | . |
| Olhar de Professor | 2001- | Red ALyC | Gratis | . |
| Olhar de Professor | 1998- | Universidade Estadual de Ponta Grossa | Gratis | . |
| Olhares | 2017- | Centro Universitário Jorge Amado | Gratis | . |
| Olhares | 2013- | Universidade Federal de So Paulo | Gratis | . |
| Olhares & trilhas | 2000- | Universidade Federal de Uberlândia | Gratis | . |
| Olho d'água | 2009- | Universidade Estadual Paulista (UNESP) | Gratis | . |
| Oligonucleotides | 2008- excepto últimos 12 meses | PubMed Central | Gratis
Artículos selectos | Cambio de: Antisense & nucleic acid drug development | Cambio a: Nucleic acid therapeutics |
| Olimpia | 2014- | Universidad de Granma | Gratis | . |
| Oliva La Periódico de política literatura e intereses materiales | 1856-1892 | Galiciana | Gratis | . |
| Olivar Revista de literatura y cultura españolas | 2006- | Dialnet | Gratis | . |
| Olivar Revista de literatura y cultura españolas | 2001- | SciELO (Argentina) | Gratis | . |
| Olivar Revista de literatura y cultura españolas | 2000- | Universidad Nacional de la Plata | Gratis | . |
| Olivar Revista de literatura y cultura españolas | 2000- | Universidad Nacional de la Plata | Gratis | . |
| Olivar Revista de literatura y cultura españolas | 2000-2019 | ProQuest Information and Learning | . | . |
| Oliviana Mouvements et dissidences spirituels XIIIe XIVe siecles | 2003- | Open Edition | Gratis | . |
| Oliviana Recherches sur Petrus Loannis Olivi et les courants spirituels XIIe Xve siècles | 2003- | Open Edition | Gratis | . |
| Olney Interface timber sale project initial proposal timber sale project | 2008-2008 | BioDiversity Heritage Library | Gratis | . |
| Olsztyn Economic Journal | 2007- | University of Warmia and Mazury in Olsztyn | Gratis | . |
| Oltenia Studii si Comunicari Seria Stiintele Naturii | 2014- | Ebsco Academic | . | . |
| OM & Tiergesundheit | 2022- | Ebsco Academic | . | . |
| Oman Commercial Banking Report | 2010-2017 | ProQuest Information and Learning | . | . |
| Oman Country Review | 2000- | Ebsco Academic | . | . |
| Oman Economic Review (OER) | 2018- | ProQuest Information and Learning | . | . |
| Oman Freight Transport Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Oman Information Technology Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Oman Infrastructure Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Oman Insurance Report | 2009-2016 | ProQuest Information and Learning | . | . |
| Oman Journal of Ophthalmology | 2008- | MedKnow | Gratis | . |
| Oman Journal of Ophthalmology | 2009- | PubMed Central | Gratis | . |
| Oman Journal of Ophthalmology | 2010- | Ebsco Academic | . | . |
| Oman Journal of Ophthalmology | 2008- | ProQuest Information and Learning | . | . |
| Oman Medical Journal | 2007- | Oman Medical Specialty Board | Gratis | . |
| Oman Medical Journal | 2007- | PubMed Central | Gratis | . |
| Oman Medical Journal | 2009- | Ebsco Academic | . | . |
| Oman News Agency | 2009- | ProQuest Information and Learning | . | . |
| Oman Oil & Gas Report | 2020- | Ebsco Academic | . | . |
| Oman Pharmaceuticals & Healthcare Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Oman Telecommunications Report | 2009-2017 | ProQuest Information and Learning | . | . |
| Oman Tourism Report | 2020- | Ebsco Academic | . | . |
| Oman Tribune | 2015-2017 | ProQuest Information and Learning | . | . |
| OMB Watcher Office of Management and Budget | 2000- | OMB Watch | Gratis | . |
| Ombudsman of Spain Summary of the report to Parliament | 2003- | Defensor del Pueblo | Gratis | . |
| Omega HR Solutions | 2016-2021 | ProQuest Information and Learning | . | . |
| Omega Journal of Death & Dying | 1999- | Sage Journals | . | . |
| Omega Oxford | 1973- | Elsevier Science | . | . |
| Omertaa Journal for applied anthropology | 2007- | Omertaa | Gratis | . |
| Ometeca | 2010- | Ebsco Academic | . | . |
| OMICS a Journal of Integrative Biology | 2008- excepto últimos 12 meses | PubMed Central | Gratis
Artículos selectos | Cambio de: Microbial & comparative genomics |
| Omineca Express | 2004-2022 | ProQuest Information and Learning | . | . |
| Omineca Express (Online) | 2023- | ProQuest Information and Learning | . | . |
| Omj Open Museum Journal | 2000-2006 | Trove | Gratis | . |
| Omni | 1990-1995 | Ebsco Academic | . | . |
| Omni | 1988-1995 | ProQuest Information and Learning | . | . |
| Omni-Akuatika | 2014- | Jenderal Soedirman University | Gratis | . |
| Omnia | 1995- | Universidad del Zulia | Gratis | . |
| Omnia | 2001- | Red ALyC | Gratis | . |
| Omnibus and Sydney Spectator Australia | 1841-1843 | Australian Cooperative Digitisation Project | Gratis | . |
| Omónoia La Concorde Journal politique littéraire et commercial | 1870-1883 | Gallica. Bibliothèque Nationale Paris | Gratis | . |
| OMUIFD Ondokuz Mayis University Review of the Faculty of Divinity Ondokuz Mayıs Üniversitesi İlahiyat Fakültesi Dergisi | 2011- | Ebsco Academic | . | . |
| On Campus with Women | 1998-2002 | ProQuest Information and Learning | . | . |
| On common ground Strenghtening teaching through school unversity partnership | 1993- | Yale-New Haven Teachers Institute | Gratis | . |
| ON Magazine | 2001-2002 | Ebsco Academic | . | . |
| On Money [Chicago Tribune - BLOG] | 2011-2011 | ProQuest Information and Learning | . | . |
| On our terms The undergraduate journal of the Athena Center for Leadership Studies | 2013-2015 | Columbia University | Gratis | . |
| On Paper | 1996-1998 | JSTOR | . | Cambio de: Print Collector's Newsletter | Cambio a: Art on Paper |
| On Patrol [The Bellingham Herald - BLOG] | 2010-2010 | ProQuest Information and Learning | . | . |
| On Politics | 2005- | University of Victoria | Gratis | . |
| On Tap magazine | 2001-2016 | Wayback Machine | Gratis | . |
| On the Horizon | 2000- | Emerald | . | . |
| On the Horizon | 2000- excepto últimos 12 meses | ProQuest Information and Learning | . | . |
| On The Issues | 1995-1999 | ProQuest Information and Learning | . | . |
| On The Media | 2001- | ProQuest Information and Learning | . | . |
| On the waterfront | 1998- | RACO | Gratis | . |
| On the waterfront | 1998- | Universitat de Barcelona | Gratis | . |
| On the waterfront | 2010- | Ebsco Academic | . | . |
| On the waterfront Newsletter of the friends of the International Institute of Social History | 2001-2007 | International Institute of Social History | Gratis | . |
| On Thinking | 2009-2011 | Springer Series | . | . |
| On Wall Street | 1999-2016 | Ebsco Academic | . | . |
| On Wall Street | 1998-2016 | ProQuest Information and Learning | . | . |
| On Wall Street (Online) | 2010-2020 | ProQuest Information and Learning | . | . |
| Oñati Socio Legal Series | 2011- | Oñati International Institute for the Sociology of Law | Gratis | . |
| Oncars India | 2013-2018 | ProQuest Information and Learning | . | . |
| Onco | 2021- | MDPI AG | Gratis | . |
| Onco | 2022- | Ebsco Academic | . | . |
| Onco Fertility Journal | 2018- | MedKnow | Gratis | . |
| Oncobiology and Targets | 2014-2016 | Scholastica | Gratis | . |
| Oncogene | 1997- | Nature Publishing Group | . | . |
| Oncogene | 1997- excepto últimos 60 meses | Nature Publishing Group | Gratis | . |
| Oncogene | 1997-2015 | Ebsco Academic | . | . |
| Oncogene | 2000- excepto últimos 12 meses | ProQuest Information and Learning | . | . |
| Oncogene | 1997- | Springer | . | . |
| Oncogenesis | 2012- | Nature Publishing Group | Gratis | . |
| Oncogenesis | 2012- | PubMed Central | Gratis | . |
| Oncogenesis | 2012- | ProQuest Information and Learning | . | . |
| Oncogenesis | 2013- | Ebsco Academic | . | . |
| Oncogenesis | 2012-2017 | Springer | . | . |
| Oncoimmunology | 2012- excepto últimos 12 meses | Taylor & Francis | Gratis | . |
| Oncoimmunology | 2012- | PubMed Central | Gratis | . |
| Oncoimmunology | 2012-2015 | Ebsco Academic | . | . |
| Oncolog Hematolog | 2013- | Ebsco Academic | . | . |
| Oncolog Hematolog | 2015- | Medichub Media | Gratis | . |
| Oncologia | 1998- | Imbiomed | Gratis
Registro individual requerido | . |
| Oncología Barcelona | 2004-2007 | SciELO (España) | Gratis | . |
| Oncologie | 2004-2022 | Ebsco Academic | . | . |
| Oncologie | 2004-2017 | Springer | . | . |
| Oncologie | 2015-2019 | ProQuest Information and Learning | . | . |
| Oncologie | 2023- | de Gruyter | Gratis | . |
| Oncologie | 2019-2022 | Tech Science Press | Gratis | . |
| Oncologist | 2010- | PubMed Central | Gratis | . |
| Oncologist | 1996-2021 | Wiley Online Library | Gratis | . |
| Oncologist | 1996- | Oxford Academic | Gratis | . |
| Oncology | 2008-2012 | PubMed Central | Gratis
Artículos selectos | . |
| Oncology | 1998- | Karger Publishers | . | . |
| Oncology | 1998-2015 | ProQuest Information and Learning | . | . |
| Oncology | 1999- | CMPMedica | Gratis | . |
| Oncology | 2007- | ProQuest Information and Learning | . | . |
| Oncology & Hematology Review | 2013-2013 | Ebsco Academic | . | . |
| Oncology and Therapy | 2013- | Springer | Gratis | Cambio de: Rare cancers and therapy |
| Oncology and Therapy | 2013-2019 | ProQuest Information and Learning | . | Cambio de: Rare cancers and therapy |
| Oncology and Therapy | 2018- | PubMed Central | Gratis | Cambio de: Rare cancers and therapy |
| Oncology Exchange | 2011-2018 | Ebsco Academic | . | . |
| Oncology Fellows | 2020- | ProQuest Information and Learning | . | . |
| Oncology Fellows | 2023- | Ebsco Academic | . | . |
| Oncology Gastroenterology & Hepatology Reports | 2014-2019 | Ebsco Academic | . | . |
| Oncology in Clinical Practice | 2015- | Via Medica | Gratis | Cambio de: Onkologia w Praktyce Klinicznej |
| Oncology Issues | 1997- | Taylor & Francis | . | . |
| Oncology Issues | 2023- | ProQuest Information and Learning | . | . |
| Oncology Journal of India | 2017- | MedKnow | Gratis | . |
| Oncology Journal of India | 2022- | Ebsco Academic | . | . |
| Oncology Letters | 2010- | PubMed Central | Gratis | . |
| Oncology Letters | 2013- | Ebsco Academic | . | . |
| Oncology Letters | 2010- | Spandidos Publications | Gratis | . |
| Oncology Live | 2020- | ProQuest Information and Learning | . | . |
| Oncology Live | 2024- | Ebsco Academic | . | . |
| Oncology Nurse Advisor | 2011- | Ebsco Academic | . | . |
| Oncology Nurse Advisor | 2015-2017 | ProQuest Information and Learning | . | . |
| Oncology Nurse APN PA | 2013- | Ebsco Academic | . | . |
| Oncology Nursing Forum | 2000- excepto últimos 12 meses | Ebsco Academic | . | . |
| Oncology Nursing Forum | 2005- excepto últimos 12 meses | ProQuest Information and Learning | . | . |
| Oncology Nursing News | 2008-2009 | ProQuest Information and Learning | . | . |
| Oncology Practice | 2016- | Frontline Medical Communications, | Gratis | Cambio de: Oncology Report |
| Oncology Practice Management | 2018- | Ebsco Academic | . | . |
| Oncology Report | 2004-2015 | Elsevier Science | Gratis | Cambio a: Oncology Practice |
| Oncology Reports | 2006- | Spandidos Publications | Gratis | . |
| Oncology Reports | 2012- excepto últimos 12 meses | PubMed Central | Gratis
Artículos selectos | . |
| Oncology Research | 2014- | PubMed Central | Gratis | . |
| Oncology Research | 2019- | Tech Science Press | Gratis | . |
| Oncology Research and Treatment | 1998- | Karger Publishers | . | . |
| Oncology Research and Treatment | 2013- excepto últimos 12 meses | Ebsco Academic | . | . |
| Oncology Reviews | 2007-2011 | Springer | . | . |
| Oncology Reviews | 2012- | Frontiers Media S.A. | Gratis | . |
| Oncology Reviews | 2012- | PubMed Central | Gratis | . |
| Oncology Reviews | 2013- | Ebsco Academic | . | . |
| Oncology Reviews | 2012- | ProQuest Information and Learning | . | . |
| Oncology Signaling | 2018-2020 | Elsevier Science | Gratis | . |
| Oncology Times | 2001- | Lippincott Williams & Wilkins | Gratis | . |
| Oncology Times | 2015- | Ovid Technologies, Inc. | . | . |
| Oncology Times UK | 2004-2012 | Ovid Technologies, Inc. | . | . |
| Oncology Times UK | 2004-2012 | Wayback Machine | Gratis | . |
| Oncolytic Virotherapy | 2012- | Dove Medical Press | Gratis | . |
| Oncolytic Virotherapy | 2012-2021 | PubMed Central | Gratis | . |
| Oncolytic Virotherapy | 2012-2021 | Ebsco Academic | . | . |
| Oncolytic Virotherapy | 2012-2021 | ProQuest Information and Learning | . | . |
| OncoMagazine | 2007-2011 | Springer | . | . |
| OncomiRs | 2012-2012 | Portico | Gratis | . |
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| Oncotarget | 2010- | PubMed Central | Gratis | . |
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| OncoTargets and therapy | 2008- | Dove Medical Press | Gratis | . |
| OncoTargets and therapy | 2008- | PubMed Central | Gratis | . |
| OncoTargets and therapy | 2012- | Ebsco Academic | . | . |
| OncoTargets and therapy | 2008- | ProQuest Information and Learning | . | . |
| OncoTargets and therapy | 2008- | Taylor & Francis | Gratis | . |
| Oncurating org | 2008- | Zurich University | Gratis | . |
| Onderneming en Financiering | 2017- | Ebsco Academic | . | . |
| Onderstepoort Journal of Veterinary Research The | 2008- | SciELO (South Africa) | Gratis | . |
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| Ondina - Ondine | 2018- | Universidad de Zaragoza | Gratis | . |
| Ondokuz Mayis University Journal of Sports & Performace Researches OMU JSPR Ondokuz Mayis Üniversitesi Spor ve Performans Arastirmalari Dergisi | 2023- | Ebsco Academic | . | . |
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| One Earth | 2019- excepto últimos 12 meses | Elsevier Science | Gratis | . |
| One Ecosystem | 2016- | Pensoft Publishers | Gratis | . |
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| One Health | 2015- | Elsevier Science | Gratis | . |
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| One Health & Implementation Research | 2020- | OAE Publishers | Gratis | . |
| One Health & Risk Management | 2020- | Asociatia de Biosiguranta si Biosecuritate | Gratis | . |
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| OPEC Energy Review | 2008- | Wiley Online Library | . | Cambio de: OPEC Review |
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