| Titulo | Fecha | Proveedor | Acceso | Cambio de titulo |
| RIESED Revista Internacional de Estudios sobre Sistemas Educativos | 2013- | Unversidad del Desarrollo Empresarial y Pedagógico | . | . |
| RIG kulturhistorisk tidskrift | 1996- | Föreningen för svensk kulturhistoria i samarbete med Nordiska museet och Folklivsarkivet i Lund | . | . |
| Rigaku ryoho no kiso to rinsho | 2022- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Rigaku Ryoho Saga | 2015- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Rigakuryoho Kagaku | 1995- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | Cambio de: Journal of exercise physiology |
| Rigakuryouhou Tochigi | 2011- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| RIHA Journal Journal of the International Association of Research Institutes in the History of Art | 2010- | International Association of Research Institutes in the History of Art | . | . |
| RiHumSo | 2012- | Universidad Nacional de La Matanza | . | . |
| RiHumSo | 2022- | SciELO (Argentina) | . | . |
| RiHumSo | 2012- | Red ALyC | . | . |
| RIIIT. Revista internacional de investigación e innovación tecnológica | 2013- | Centro Kappa de Conocimiento, S.C. | . | . |
| RIIIT. Revista internacional de investigación e innovación tecnológica | 2018-2020 | SciELO (Mexico) | . | . |
| RIIS: Revista de Investigao & Inovao em Sade | 2018- | Red ALyC | . | . |
| RIIS: Revista de Investigao & Inovao em Sade | 2020- | SciELO (Portugal) | . | . |
| RIIS: Revista de Investigao & Inovao em Sade | 2018- | Escola Superior de Sade Norte da Cruz Vermelha Portuguesa | . | . |
| RIIYM Revista de Ingeniería Industrial y Mecánica | 2023- | Universidad Nacional de Lomas de Zamora | . | . |
| RIIYM Revista de Ingeniería Industrial y Mecánica | 2016-2023 | Universidad Nacional de Lomas de Zamora | . | . |
| Rijec Word | 2006- | Hrcak | . | . |
| Rijeka | 2010- | Hrcak | . | . |
| Rijksmuseum Bulletin | 2012- | The Rijksmuseum Publications Department | . | Cambio de: Bulletin van het Rijksmuseum |
| RIKEN Research | 1993- | RIKEN (Institute of Physical and Chemical Research) (Japan) | . | . |
| RILCE Revista de Filología Hispánica | 1985- excepto últimos 6 meses | Universidad de Navarra | . | . |
| RILCE Revista de Filología Hispánica | 1985- excepto últimos 24 meses | Universidad de Navarra | . | . |
| RILEM Technical Letters | 2016- | RILEM Publications SARL | . | . |
| RIMAR Revista interdisciplinar de marketing | 2002- | Universidade Estadual de Maringá | . | . |
| RIMCIS International and Multidisciplinary Journal of Social Sciences | 2012- | Hipatia Press | . | . |
| RiMe - Rivista dell'lstituto di Storia dell'Europa Mediterranea | 2008- | ISEM-CNR | . | . |
| RIMHE Revue Interdisciplinaire de Management, Homme & Entreprise | 2012- | RIMHE | . | . |
| RINCE Revista de Investigaciones del Departamento de Ciencias Económicas de la Universidad Nacional de La Matanza | 2007- | Universidad Nacional de La Matanza | . | . |
| Ring | 2002- | Sciendo | . | . |
| Ring | 2000- | . | . | . |
| Rinsho Ketsueki Japanese journal of clinical hematology | 1960- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | selecciones disponibles | . |
| Rinsho Shinkeigaku | 2008- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Rinsho yakuri Japanese Journal of Clinical Pharmacology and Therapeutics | 1970- excepto últimos 60 meses | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Ripacurtia | 2003- | RACO | . | . |
| Riparia | 2014- | Universidad de Cadiz | . | . |
| Riparian Ecology and Conservation | 2013- | de Gruyter | . | . |
| Riqch'ariy | 2020- | Centro Cusqueo de Investigaciones Histricas Enfoques (CCIHE) | . | . |
| Risalat al-huquq Journal | 2009- | Iraqi Academic Scientific Journals | . | . |
| Risco Revista de Pesquisa em Arquitetura e Urbanismo | 2003- | USP Portal del Revistas | . | . |
| Riscuri Si Catastrofe | 2010- | Casa Cartii de Stiinta Cluj-Napoca | . | . |
| RISE - Review of Irish Studies in Europe | 2016- | University of Aberdeen | . | . |
| RISE Revista Internacional de Sociología de la Educación | 2012- | Dialnet | . | . |
| RISE Revista Internacional de Sociología de la Educación | 2012-2017 | Red ALyC | . | . |
| RISE Revista Internacional de Sociología de la Educación | 2012- | Hipatia Press | . | . |
| Risenologi | 2016- | Kelompok Peneliti Muda Universitas Negeri Jakarta | . | . |
| Riset Akuntansi | 2020- | Accounting Department Institut Teknologi dan Bisnis Asia Malang | . | . |
| Riset Akuntansi dan Keuangan Indonesia | 2008- | Muhammadiyah University Press | . | . |
| Riset: Geologi dan Pertambangan | 2005- | Indonesian Institute of Sciences | . | . |
| RISI Revista de investigación de Sistemas e Informatica | 2003- | Universidad Nacional Mayor de San Marcos, Peru. | . | . |
| RISI Revista de investigación de Sistemas e Informatica | 2004- | Universidad Nacional Mayor de San Marcos, Peru. | . | . |
| Risk and Management | 1979-2022 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Risk Governance & Control: Financial Markets & Institutions | 2017- | Publishing house 'Virtus Interpress' | . | . |
| Risk in Contemporary Economy | 2011- | Dunarea de Jos University of Galati | . | . |
| Risk Management and Healthcare Policy | 2008- | Dove Medical Press | . | . |
| Risk Management and Healthcare Policy | 2008- | PubMed Central | . | . |
| Risk Management and Healthcare Policy | 2008- | Taylor & Francis | . | . |
| Risk Management Magazine | 2005- | AIFIRM | . | . |
| Risk Sciences | 2024- | Elsevier Science | . | . |
| Risks | 2013- | MDPI AG | . | . |
| RISTI Revista Iberica de Sistemas e Tecnologias de Informacao | 2010-2010 | SciELO (Portugal) | . | . |
| RISTI Revista Iberica de Sistemas e Tecnologias de Informacao | 2008- | AISTI | . | . |
| Rita Revista Indexada de Textos Académicos | 2014- | Redfundamentos | . | . |
| Rita Revista Indexada de Textos Académicos | 2014- | Dialnet | . | . |
| RITA Revue de travaux sur les Amériques | 2008- | IHEAL | . | . |
| rita_ | 2014- | redfundamentos SL | . | . |
| Ritmo Imaginación y crítica | 2014- | issuu | . | . |
| Ritmo Imaginación y crítica | 2014- | UNAM | . | . |
| Ritornello Devenires de la pedagogía actoral | 2000-2002 | Círculo de Estudios en Pedagogía Actoral | . | . |
| Ritsumeikan Annual Review of Asia Japan Research | 2020- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Ritsumeikan Journal of Asia Pacific Studies | 1998- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Ritsumeikan Law Review International Edition | 1995- | Ritsumeikan University | . | . |
| Ritsumeikan-hŻogaku | 1995- | HŻogakkai | . | . |
| Ritual Secrecy and Civil Society | 2013- | Policy Studies Organization | . | Cambio a: Enlightenment: Ritual, Secrecy, Civil Society, and Freemasonry |
| RIVAR Revista Iberoamericana de Viticultura Agroindustria y Ruralidad | 2014- | Universidad de Santiago de Chile | . | . |
| RIVAR Revista Iberoamericana de Viticultura Agroindustria y Ruralidad | 2014- | Red ALyC | . | . |
| RIVAR Revista Iberoamericana de Viticultura Agroindustria y Ruralidad | 2019- | SciELO (Chile) | . | . |
| River | 2021- | Wiley Online Library | . | . |
| Rives méditerranéennes | 1998- excepto últimos 12 meses | Open Edition | . | . |
| Rives nord-méditerranéennes | 1998-2008 | Open Edition | . | Cambio a: Rives méditerranéennes |
| Rivista coleotterologica italiana | 1903-1915 | BioDiversity Heritage Library | . | . |
| Rivista CQIA | 2010- | . | . | . |
| Rivista Critica di Diritto del Lavoro | 2013- | Inchiostro Rosso | . | . |
| Rivista del Dizionario Etimologico e Storico del Napoletano | 2023- | SHARE Press | . | . |
| Rivista della Societa Toscana di Orticultura | 1936-1947 | JSTOR | . | Cambio de: Bullettino della R. Societa Toscana di Orticultura | Cambio a: Rivista di ortoflorofrutticoltura italiana |
| Rivista di Antropologia | 1911-2000 | Ist. di Antropologia | . | Cambio de: Atti della Societa' Romana di Antropologia | Cambio a: Journal of Anthropological Sciences |
| Rivista di arablit Semestrale on line de letteratura e cultura araba moderna e contemporanea | 2011- | Instituto per l’Oriente Carlo Alfonso Nallino | . | . |
| Rivista di biologia | 1919-1923 | BioDiversity Heritage Library | . | . |
| Rivista di biologia generale | 1901-1901 | BioDiversity Heritage Library | . | . |
| Rivista di Criminologia Vittimologia e Sicurezza | 2007- | Societŕ Italiana di Vittimologia | . | . |
| Rivista di Diritto dell'Economia dei Trasporti e dell'Ambiente | 2003- | Universitŕ degli Studi di Palermo | . | . |
| Rivista di diritto romano | 2003- | LED Edizioni Universitarie | . | . |
| Rivista di Economia Agraria | 2008- | University of Minnesota Libraries | selecciones disponibles | . |
| Rivista di Economia Agraria | 2014- | Firenze University Press | . | . |
| Rivista di estetica | 2014- | Open Edition | . | . |
| Rivista di Filologia Cognitiva | 2003-2007 | Sapienza Universitŕ di Roma | . | Cambio a: Cognitive Philology |
| Rivista di Matematica della Universita di Parma | 1950- excepto últimos 60 meses | Universita degli Studi di Parma | . | . |
| Rivista di meteorologia aeronautica | 2021- | Servizio Meteorologico d'Aeronautica | . | . |
| Rivista di meteorologia aeronautica | 2018- | Ministro della Difesa | . | . |
| Rivista di ortoflorofrutticoltura italiana | 1948-1986 | Journal.fi | . | Cambio de: Rivista della Società Toscana di Orticultura | Cambio a: Advances in Horticultural Science |
| Rivista di patologia vegetale | 1892-1924 | BioDiversity Heritage Library | . | Cambio a: Journal of Plant Pathology |
| Rivista di Psichiatria | 2001- | Pensiero Scientifico | . | . |
| Rivista di psicodinamica criminale | 2008- | Rivista di psicodinamica criminale | . | . |
| Rivista di Psicologia Clinica. Teorie e metodi dell'intervento | 2006- | Rivista di Psicologia Clinica | . | . |
| Rivista di psicologia dell'emergenza e dell'assistenza umanitaria | 2006- | Psicologi per i Popoli | . | . |
| Rivista di Psicopatologia Forense Medicina Legale Criminologia | 2017- | PAGEPress | . | . |
| Rivista di Ricerca e Didattica Digitale | 2021- | Studium Editore | . | . |
| Rivista di scienza | 1907-1909 | Universitŕ di Bologna | . | . |
| Rivista di scienze biologiche | 1899-1900 | BioDiversity Heritage Library | . | . |
| Rivista di Scienze del Turismo Ambiente Cultura Diritto Economia | 2010-2017 | LED Edizioni Universitarie | . | . |
| Rivista di Storia dell'Educazione | 2017- | Firenze University Press | . | . |
| Rivista di storia dell’UniversitĂ di Torino | 2012- | Universitŕ di Torino | . | . |
| Rivista di Studi e Ricerche sulla criminalitĂ organizzata | 2015- | Universitŕ degli Studi di Milano | . | . |
| Rivista di studi familiari | 2010- | University of Padua | . | Cambio a: Interdisciplinary journal of family studies |
| Rivista di studi nord americani RSA | 1990- | Associazione Italiana di Studi Nord Americani | . | . |
| Rivista di studi politici internazionali | 2006-2012 | Sapienza Universitŕ di Roma | . | . |
| Rivista di Studi Sudasiatici | 2006-2009 | Firenze University Press | . | . |
| Rivista diritto ellenico | 2011- | Rivista diritto ellenico | . | . |
| Rivista Geographica Italiana | 2012- | Pacini Editore s.r.l. | . | . |
| Rivista Internazionale di Filosofia e Psicologia | 2010- | Rivista Internazionale di Filosofia e Psicologia | . | . |
| Rivista internazionale di tecnica della traduzione | 1992- | Universitŕ degli Studi di Trieste | . | . |
| Rivista Italiana della Medicina di Laboratorio | 2000-2010 | Societa Italiana di Medicina di Laboratorio | . | . |
| Rivista Italiana delle Sostanze Grasse La | 2009- | Innovhub, Stazioni Sperimentali per l'Industria S.r.l. | . | . |
| Rivista Italiana di Acustica | 2014-2022 | Associazione Italiana di Acustica | . | . |
| Rivista Italiana di Acustica | 2023- | FrancoAngeli Journals | . | . |
| Rivista Italiana di Educazione Familiare | 2006- | Firenze University Press | . | . |
| Rivista Italiana di Filosofia Analitica Junior | 2010-2018 | Universitŕ degli Studi di Milano | . | . |
| Rivista italiana di filosofia del linguaggio RIFL | 2009- | Universitŕ della Calabria | . | . |
| Rivista Italiana di Filosofia Politica | 2021- | Firenze University Press | . | . |
| Rivista Italiana di Geotecnica | 1953- excepto últimos 36 meses | Patron Editore | . | . |
| Rivista Italiana di Informatica e Diritto | 2019- | Consiglio Nazionale delle Ricerche (CNR) | . | . |
| Rivista italiana di numismatica e scienze affini | 1888-1920 | Ludovico Felice Cogliati | . | . |
| Rivista italiana di ornitologia | 1911-1920 | BioDiversity Heritage Library | . | . |
| Rivista italiana di ornitologia | 2010- | PAGEPress | . | . |
| Rivista italiana di paleontologia e stratigrafia | 1895-1919 | BioDiversity Heritage Library | . | . |
| Rivista italiana di paleontologia e stratigrafia | 1996- | Universitŕ degli Studi di Milano | . | . |
| Rivista Italiana di Pedagogia dello Sport | 2016- | UniversitĂ degli Studi di Roma | . | . |
| Rivista italiana di scienze naturali : periodico mensile premiato alle esposizioni nazionali di Palermo e di Milano ed a quella internazionale di Chicago | 1888-1910 | BioDiversity Heritage Library | . | . |
| Rivista Militare della Svizzera Italiana | 1948- | ETH-Bibliothek | . | Cambio de: Rivista Militare Ticinese | Cambio a: Rivista Militare Svizzera di lingua italiana : RMSI |
| Rivista Militare Svizzera di Lingua Italiana | 2014- excepto últimos 12 meses | ETH-Bibliothek | . | Cambio de: Rivista militare della Svizzera italiana |
| Rivista Militare Ticinese | 1928-1947 | ETH-Bibliothek | . | Cambio a: Rivista militare della Svizzera italiana |
| Rivista Scientifico Artistica di Fotografia Bollettino mensile del Circolo Fotografico Lombardo | 1892-1899 | Emeroteca Digitale | . | . |
| Rivista scuola iad Modelli politiche r&t | 2008- | Universitŕ degli Studi di Roma Tor Vergata | . | . |
| Rivista Trimestrale di Scienza dell'Amministrazione | 2016- | IROI s.c.ar.l. | . | . |
| Riwayah: Jurnal Studi Hadis | 2016- | Sekolah Tinggi Agama Islam Negeri (STAIN) Kudus | . | . |
| Rixaka | 1985-1990 | Digital Innovation South Africa | . | . |
| Riyadhoh: Jurnal Pendidikan Olahraga | 2018- | UPT Publikasi dan Pengelolaan Jurnal Universitas Islam Kalimantan Muhammad Arsyad Al Banjari Banjarmasin | . | . |
| Riyazi va Jamiah | 2016- | University of Isfahan | . | . |
| Riz et riziculture périodique consacré aux questions rizicoles | 1925-1938 | Gallica. Bibliothčque Nationale Paris | . | . |
| Rizoma | 2013- | Universidade de Santa Cruz do Sul | . | . |
| RJR Revista de Justicia Restaurativa | 2011- | Dialnet | . | . |
| RLA revista de linguistica teorica y aplicada | 2006- | SciELO (Chile) | . | . |
| RLA revista de linguistica teorica y aplicada | 2017- | Universidad de Concepcion | . | . |
| RLE Progress Report Research Laboratory of Electronics | 1997-2010 | Research Laboratory of Electronics, Massachusetts Institute of | . | . |
| RLG DigiNews | 1997-2002 | OCLC | . | . |
| RLG Focus | 1998-2006 | OCLC | . | Cambio de: RLIN Focus |
| RLIN Focus | 1993-1998 | RLG | . | Cambio a: RLG Focus |
| RM Zh. Mat' i Ditya | 2018- | LCC «Medicine-Inform» | . | . |
| RMD Open | 2015- | PubMed Central | . | . |
| RMN newsletter | 2010- | University of Helsinki | . | . |
| RMZ Materials and geoenvironment | 2016- | Sciendo | . | . |
| RNA | 1995- excepto últimos 6 meses | HighWire Press | . | . |
| RNA | 1995- excepto últimos 12 meses | PubMed Central | . | . |
| RNA & DISEASE | 2014- | Smart Science & Technology LLC | . | . |
| RNA Biology | 2004- excepto últimos 12 meses | Taylor & Francis | . | . |
| RNA Biology | 2009- excepto últimos 12 meses | PubMed Central | . | . |
| RNA Nanotechnology | 2015-2017 | de Gruyter | . | Cambio a: DNA and RNA Nanotechnology |
| Rnik Ruskoj Bursy | 2017- | Ksiegarnia Akademicka Publishing | . | . |
| RNTI Revista Negócios e Tecnologia da Informaçäo | 2006- | Fundaçăo de Estudos Sociais do Paraná | . | . |
| Road to East Asia A Journal on Contemporary East Asian literature in | 1996- | York University, Canada | . | . |
| Roads & Bridges | 1996- | Scranton Gillette Communications, Inc. | . | . |
| Roads and Bridges | 2002- | Road and Bridge Research Institute | . | . |
| Roars Transactions | 2013- | Universitŕ degli Studi di Milano | . | . |
| Robespierre espańol El | 1811 | Galiciana | . | . |
| ROBOMECH Journal | 2014- | SpringerOpen | . | . |
| Robotic Surgery Research and Reviews | 2016-2021 | PubMed Central | . | . |
| Robotic Surgery Research and Reviews | 2014-2021 | Dove Medical Press | . | . |
| Robotica & Management | 2012- | Editura Eftimie Murgu | . | . |
| Robotics | 2012- | MDPI AG | . | . |
| Robotics and Biomimetics | 2014-2018 | SpringerOpen | . | . |
| Robotics Reports | 2023- | Mary Ann Liebert, Inc. | . | . |
| Roca Manzanillo | 2017- | Universidad de Granma | . | . |
| Rochester History | 1939- | Rochester Public Library | . | . |
| Rock and Soil Mechanics | 2020- | SCIENCE PRESS , 16 DONGHUANGCHENGGEN NORTH ST, BEIJING, PEOPLES R CHINA, 100717 | . | . |
| Rock Art Research | 1984- | Netherlands Press | . | . |
| Rock Mechanics Bulletin | 2022- | Elsevier Science | . | . |
| Rock plants, ground covers, aromatic herbs, garden perennials | 1929-1929 | BioDiversity Heritage Library | . | . |
| Rock Products | 1998- | Primedia Business Magazines and Media | . | . |
| RockTalk newsletter | 1998- | Colorado Geological Survey | . | . |
| Rocky Mountain Journal of Mathematics | 1971- excepto últimos 60 meses | Project Euclid | . | . |
| Rocky Mountain Law Journal | 2012- | Weebly | . | . |
| Rocky Mountain Review | 1998-2021 | RMMLA | . | . |
| Rocky Mountain Review of Language & Literature | 1998- excepto últimos 48 meses | Rocky Mountain Modern Language Assocation | . | . |
| Rocznik Andragogiczny | 2013- | Akademicka Platforma Czasopism | . | . |
| Rocznik archiwalno historyczny Centralnego Archiwum Wojskowego | 1969- | Centralne Archiwum Wojskowe im. mjr | . | . |
| Rocznik demograficzny | 2007- | Główny Urząd Statystyczny | . | . |
| Rocznik Dendrologiczny | 2005-2007 | Polish Botanical Society | . | . |
| Rocznik Filozoficzny Ignatianum | 1988- | Wydawnictwo Ignatianum | . | . |
| Rocznik historii filozofii polskiej | 2008- | Uniwersytetu Warszawskiego | . | . |
| Rocznik Historii Prasy Polskiej | 2011- | Polska Akademia Nauk | . | . |
| Rocznik Historii Sztuki | 2011- | Polska Akademia Nauk | . | . |
| Rocznik Instytutu Środkowo-Wschodniej | 2007- | Instytutu Europy Środkowo-Wschodniej | . | . |
| Rocznik Integracji Europejskiej | 2007- | Academic Publishing House of the Faculty of Political Science and Journalism at Adam Mickiewicz University | . | . |
| Rocznik Kognitywistyczny | 2008- | Jagiellonian University | . | . |
| Rocznik Komisji Nauk Pedagogicznych | 2011- | Polska Akademia Nauk | . | . |
| Rocznik komparatystyczny | 2010- | Uniwersytet Szczeci?ski | . | . |
| Rocznik Lubelski | 1958- | Polskie Towarzystwo Historyczne. | . | . |
| Rocznik Lubelskiego Towarzystwa Genealogicznego | 2009- | Lubelskie Towarzystwo Genealogiczne | . | . |
| Rocznik Muzeum Papiernictwa | 2007- | Muzeum Papiernictwa | . | . |
| Rocznik naukowy | 2008- | Akademia Wychowania Fizycznego i Sportu im. | . | . |
| Rocznik Ochrona Srodowiska | 1999- | Koszalin University of Technology | . | . |
| Rocznik Orientalistyczny | 2011- | Polska Akademia Nauk | . | . |
| Rocznik Pedagogiczny | 2011- | Polska Akademia Nauk | . | . |
| Rocznik Polskiego Towarzystwa Dendrologicznego | 2009- | Polish Botanical Society | . | . |
| Rocznik Polskiego Towarzystwa Geologicznego w Krakowie | 1923-1926 | Polska Akademia Nauk | . | Cambio a: Annales Societatis Geologorum Poloniae |
| Rocznik prasoznawczy | 2007- | Wyższa Szkoła Humanitas | . | . |
| Rocznik Przekladoznawczy | 2005- | Akademicka Platforma Czasopism | . | . |
| Rocznik slawistyczny | 2011- | Polska Akademia Nauk | . | . |
| Rocznik Wydziału Filozoficznego Wyższej Szkoły Filozoficzno-Pedagogicznej 'Ignatianum' w Krakowie | 1988- | Wydział Filozoficzny | . | . |
| Roczniki Biblioteczne | 2023- | Wydawnictwo Uniwersytetu Wrocławskiego | . | . |
| Roczniki dziejów społecznych i gospodarczych | 2005- | Instytut Historii Polska Akademia Nauk | . | . |
| Roczniki Ekonomii Rolnictwa i Rozwoju Obszarów Wiejskich | 2013- | Polska Akademia Nauk | . | . |
| Roczniki filozoficzne | 2007- | Towarzystwo naukowe Katolickiego uniwersytetu Lubelskiego | . | . |
| Roczniki historii kościoła | 2009-2013 | John Paul II Catholic University of Lublin | . | . |
| Roczniki historii kościoła | 2010-2013 | CEEOL | . | . |
| Roczniki Historyczne | 2014- | Tadeusz Manteuffel Institute of History of the Polish Academy of Sciences | . | . |
| Roczniki humanistyczne | 2010- | CEEOL | . | . |
| Roczniki nauk o rodzinie | 2011-2013 | CEEOL | . | . |
| Roczniki Naukowe Polskiego Towarzystwa Zootechnicznego | 2012- | Polish Society of Animal Production | . | . |
| Roczniki Panstwowego Zakladu Higieny | 1995- | National Institute of Public Health - National Institute of Hygiene | . | . |
| Roczniki pastoralno katechetyczne | 2009-2013 | CEEOL | . | . |
| Roczniki pedagogiczne | 2009- | Uniwersytetu Lubelskiego Jana Pawła II | . | . |
| Roczniki socjologii morskiej | 2011- | Polska Akademia Nauk | . | . |
| Roczniki Teologiczne | 2014- | CEEOL | . | . |
| Roczniki teologii dogmatycznej | 2010-2013 | CEEOL | . | . |
| Roczniki teologii ekumenicznej | 2010- | CEEOL | . | . |
| Roczniki teologii fundamentalnej i religiologii | 2010-2013 | CEEOL | . | . |
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| Roda da fortuna Revista eletrônica sobre antiguidade e medievo | 2013-2015 | Dialnet | . | . |
| Rodriguésia | 1935- | Instituto de Pesquisas Jardim Botânico do Rio de Janeiro | . | . |
| Rodriguésia | 1980- | SciELO (Brasil) | . | . |
| Rodriguésia | 1936- | BioDiversity Heritage Library | . | . |
| Roeding's practical horticulture | 1914-1914 | BioDiversity Heritage Library | . | . |
| Roeding's practical horticulture | 1914-1914 | BioDiversity Heritage Library | . | . |
| Roeding's practical planter's guide : the result of thirty years experience in California horticulture / | 1915-1915 | BioDiversity Heritage Library | . | . |
| Rojasiana | 1993- | Universidad Nacional de Asuncion | . | . |
| ROKiVA Letter | 2021- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| ROL Spor Bilimleri Dergisi | 2020- | Levent Ceylan | . | . |
| Roma Rights | 1996- | Romani Project | . | . |
| Roma Tre Law Review | 2019- | Roma Tre Press | . | . |
| ROMAI Journal | 2005- | Romanian Society of Applied and Industrial Mathematics | . | . |
| Roman denarii Hoards and stray finds in Sweden | 2013- | Stockholm Numismatic Institute | . | . |
| Roman Legal Tradition A Journal of Ancient Medieval and Modern Civil Law | 2002- | . | . | . |
| Romania | 1872-2011 | Persee | . | . |
| Romanian Journal of Diabetes Nutrition and Metabolic Diseases | 2007- | Romanian Society of Diabetes Nutrition and Metabolic Diseases | . | . |
| Romanian Academy Memoirs of the Scientific Sections | 1892- | Romanian Academy | . | . |
| Romanian Agricultural Research | 1944- | Agricultural Research and Development Institute Fundulea | . | . |
| Romanian Archives of Microbiology and Immunology | 2005- | Inst. CANTACUZINO | . | . |
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| Romanian Biotechnological Letters | 2000- | University of Bucharest | . | . |
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