| Titulo | Fecha | Proveedor | Acceso | Cambio de titulo |
| Contemporary Japan Journal of the German Institute for Japanese Studies Tokyo | 2010-2016 | de Gruyter | . | Cambio de: Japanstudien |
| Contemporary Journal of African Studies | 2013- | Sabinet | . | . |
| Contemporary Materials | 2011- | Academy of Sciences and Arts of Republic of Srpska | . | . |
| Contemporary Mathematics | 2019- | Universal Wiser Publisher | . | . |
| Contemporary Oncology | 1999- | Termedia | . | . |
| Contemporary Oncology | 2012- | PubMed Central | . | . |
| Contemporary Organic Synthesis | 1997 | Royal Society of Chemistry | . | . |
| Contemporary Pacific | 1989- | University of Hawaii | . | . |
| Contemporary practices Visual arts from the Middle East | 2008- | Contemporary Practices | . | . |
| Contemporary psychology | 1998- | Hrcak | . | . |
| Contemporary Religions in Japan | 1960-1970 | Nanzan Institute for Religion & Culture | . | Cambio a: Japanese Journal of Religious Studies |
| Contemporary Research An Interdisciplinary Academic Journal | 2019- | Nepal Journals Online | . | . |
| Contemporary rural social work | 2009- | University of North Dakota | . | . |
| Contemporary Sociological Studies | 1988- | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Contemporary Southeastern Europe | 2014- | Centre for Southeast European Studies | . | . |
| Contemporary Stone Design | 2000- | Business News Publishing Company | . | . |
| Contemporary Surgery | 2000- | Dowden Health Media | . | . |
| Contemporary Topics in Laboratory Animal Science | 1997- excepto últimos 12 meses | Ingenta plc | . | . |
| Contemporary Trends in Geoscience The Journal of Uniwersytet Slaski | 2012-2018 | University of Silesia | . | . |
| Contemporary Voices | 2018- | Ubiquity Press | . | . |
| Contemporary Wisdom | 2011- | Institute for Humanities and Cultural Studies | . | . |
| Contenciosa | 2013- | Universidad Nacional del Litoral | . | . |
| Contents Tourism Review | 2014-2018 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Contesti Città Territori Progetti | 2017- | Firenze University Press | . | . |
| Context A Journal of Music Research | 1991- | University of Melbourne | . | . |
| Context Journal for Gender and Science | 2002- | Academy of Sciences of the Czech Republic | . | . |
| Context Kontekst Institute of Macedonian Literature | 2017- | CEEOL | . | . |
| Context the Journal for History & Archaeology Postgraduate Students at the University of Chester | 2014- | University of Chester | . | . |
| Contextes et Didactiques | 2014- | Open Edition | . | . |
| COnTEXTES Revue de sociologie de la littérature | 2006- | Open Edition | . | . |
| Contexto | 1998- | Universidad Externado de Colombia | . | . |
| Contexto | 1994- | Universidad de Los Andes (Venezuela) | . | . |
| Contexto | 2012- | Universidad La Gran Colombia | . | . |
| Contexto - Revista do Programa de Pós-Graduação em Letras | 1992- | Universidade Federal do Espírito Santo | . | . |
| Contexto educativo revista digital de investigación y nuevas tecnologías | 1999-2005 | Dialnet | . | . |
| Contexto Internacional | 2001- | SciELO (Brasil) | . | . |
| Contexto Revista de la Facultad de Arquitectura Universidad Autónoma de Nuevo León | 2011- | Universidad Autónoma de Nuevo León | . | . |
| Contexto Revista de la Facultad de Arquitectura Universidad Autónoma de Nuevo León | 2011- | Red ALyC | . | . |
| ConTexto Revista do Nucleo de Estudos e Pesquisas em Contabilidade | 2001- | Universidade Federal do Rio Grande do Sul | . | . |
| Contexto San Cristóbal | 2001- | Universidad de Los Andes (Venezuela) | . | . |
| Contexto San Cristóbal | 2001- | Dialnet | . | . |
| Contextos | 2011-2013 | Biblioteca Juridica Virtual | . | . |
| Contextos Clínicos | 2008- | Universidade do Vale do Rio dos Sinos | . | . |
| Contextos Clínicos | 2008- | PePSIC | . | . |
| Contextos da Alimentação | 2012- | Centro Universitário Senac | . | . |
| Contextos educativos | 1998- | Universidad de la Rioja | . | . |
| Contextos educativos | 2001- | Dialnet | . | . |
| contextos Revista d'Antropologia i Investigació Social | 2008- | Universitat de Barcelona | . | . |
| contextos Revista d'Antropologia i Investigació Social | 2008- | Dialnet | . | . |
| contextos Revista d'Antropologia i Investigació Social | 2008- | RACO | . | . |
| Contextos Santiago de Chile | 2007- | Universidad Metropolitana de Ciencias de la Educación | . | . |
| Contextos. Centro de Estudios Metodológicos e Interdisciplinares de la Universidad de León | 1997-2002 | Universidad de Leon | . | . |
| Contextos. Centro de Estudios Metodológicos e Interdisciplinares de la Universidad de León | 1992-2002 | Dialnet | . | . |
| Contextualizaciones Latinoamericanas | 2009- | Universidad de Guadalajara | . | Cambio de: Configuraciones Latinoamericanas |
| Contextus | 2003- | . | . | . |
| Continence | 2022- | Elsevier Science | . | . |
| Continence Reports | 2022- | Elsevier Science | . | . |
| continent | 2011- | continent. | . | . |
| Continental Birdlife | 1979-1981 | SORA | . | . |
| Continental Monthly | 1862-1864 | Hathitrust | . | . |
| Continental Thought and Theory | 2016- | Continental Thought and Theory Editorial Board | . | . |
| Continentes | 2012- | Universidade Federal Rural do Rio de Janeiro | . | . |
| Continents manuscrits | 2014- | Open Edition | . | . |
| Contingentia | 2006- | Federal University at Porto Alegre | . | . |
| Continuacion de la Noticia histórica de la Real Academia de las Nobles Artes de San Carlos y relación de los premios | 1776-1783 | Biblioteca Nacional de España | . | . |
| Continuación de las actas de la Real Academia de las Nobles Artes de San Carlos y relación de los premios | 1786-1804 | Biblioteca Nacional de España | . | . |
| Continuing Cardiology Education | 2015- | Wiley Online Library | . | . |
| Continuing Education in Anaesthesia Critical Care & Pain | 2004-2015 | Oxford Academic | . | Cambio de: BJA CEPD reviews | Cambio a: BJA Education |
| Continuing Education in Anaesthesia Critical Care & Pain | 2004-2015 | Elsevier Science | . | Cambio de: BJA CEPD reviews | Cambio a: BJA Education |
| Continuité | 1983- | Conseil des monuments et sites du Quebec | . | . |
| Continuity in Education | 2020- | Ubiquity Press | . | . |
| Continuum Lifelong Learning in Neurology | 2012-2017 | PubMed Central | . | . |
| Contra Relatos del Sur | 2005- | Universidad Nacional de Cordoba | . | . |
| Contra relatos desde el sur Apuntes sobre Africa y Medio Oriente | 2005- | Universidad Nacional de Cordoba | . | . |
| Contra revista de los franco-tiradores | 1933-1933 | CeDInCI | . | . |
| Contra-fascismo | 1936-1937 | CeDInCI | . | . |
| Contracampo | 1997- | Universidade Federal Fluminense | . | . |
| Contraception and Reproductive Medicine | 2015- | BioMed Central | . | . |
| Contraception and Reproductive Medicine | 2016- | PubMed Central | . | . |
| Contraception X | 2019- | Elsevier Science | . | . |
| Contraception X | 2019- | PubMed Central | . | . |
| Contracting Business | 2000- | Penton Media | . | . |
| Contradictio | 2008- | Universidade Federal do Paraná | . | . |
| Contradio | 2021- | Edufatecie | . | . |
| Contraponto Jornal Laboratório do Curso de Jornalismo | 2010- | Pontifícia Universidade Católica de São Paulo | . | . |
| ContraPonto Programa de Pós Graduação em Letras da PUC Minas | 2011- | Pontifícia Universidade Católica de Minas Gerais | . | . |
| Contraponto Revista do Departamento de História e programa de Pós-graduação em História do Brasil da UFPI | 2011- | Universidade Federal do Piauí | . | . |
| Contrary | 2003- | Contrary Magazine | . | . |
| Contrast Media & Molecular Imaging | 2017- | PubMed Central | . | . |
| Contrast Media & Molecular Imaging | 2017- | Hindawi Publishing Corporation | . | . |
| Contrastes Revista de historia moderna | 1985- | Dialnet | . | . |
| Contrastes Revista de historia moderna | 1985-2008 | Universidad de Murcia | . | . |
| Contrastes Revista interdisciplinar de filosofía | 1996-2008 | Dialnet | . | . |
| Contrastive Pragmatics | 2020- | Brill | . | . |
| Contratexto | 1997- | Universidad de Lima | . | . |
| Contratexto | 2020- | SciELO (Peru) | . | . |
| Contratiempo Revista de pensamiento y cultura | 2001- | Revista Contratiempo | . | . |
| Contre jour Cahiers littéraires | 2003- | Cahiers litteraires Contre-jour | . | . |
| Contrebis a bulletin of archaeology and local history for Lancashire and the North West | 1973- | Lancaster Archaeological and Historical Society | . | . |
| Contribución al Estudio de las Ciencias Físicas y Matemáticas | 1926-1935 | Universidad Nacional de la Plata | . | . |
| Contribuciones a la Economía | 2003- | EUMED.NET | . | . |
| Contribuciones a las Ciencias Sociales | 2007- | Universidad de Málaga | . | . |
| Contribuciones desde Coatepec | 2001- | Red ALyC | . | . |
| Contribuições para o Estudo da Antropologia Portuguesa | 1949-1982 | Universidade de Coimbra | . | Cambio a: Antropologia Portuguesa |
| Contributii Botanice | 2002- | Babes-Bolyai University | . | . |
| Contributions from the Botanical Laboratory of the University of Pennsylvania | 1892-1920 | BioDiversity Heritage Library | . | . |
| Contributions from the Department of Botany of Columbia University | 1896-1897 | BioDiversity Heritage Library | . | . |
| Contributions from the Department of Zoology and Entomology / Iowa State College of Agriculture and Mechanic Arts | 1896-1899 | BioDiversity Heritage Library | . | . |
| Contributions from the Gray Herbarium of Harvard University | 1891-1922 | JSTOR | . | . |
| Contributions from the Herbarium of Columbia College | 1886-1892 | BioDiversity Heritage Library | . | . |
| Contributions from the Hull Botanical Laboratory | 1908-1921 | BioDiversity Heritage Library | . | . |
| Contributions from the Mount Wilson Observatory | 1915-1938 | NASA Astrophysics Data System | . | . |
| Contributions from the New South Wales National Herbarium | 1966-1966 | BioDiversity Heritage Library | . | . |
| Contributions from the New South Wales National Herbarium Flora series | 1966- | BioDiversity Heritage Library | . | . |
| Contributions from the New York Botanical Garden | 1899-1923 | BioDiversity Heritage Library | . | . |
| Contributions from the Osborn Botanical Laboratory | 1916-1923 | BioDiversity Heritage Library | . | . |
| Contributions from the United States National Herbarium | 1890-2011 | BioDiversity Heritage Library | . | . |
| Contributions from the Zoological Laboratory of the University of Illinois | 1916-1916 | BioDiversity Heritage Library | . | . |
| Contributions in marine science | 1967-2009 | University of Texas Marine Science Institute, The University of Texas at Austin | . | Cambio de: Publications of the Institute of Marine Science |
| Contributions in marine science | 1967-1967 | BioDiversity Heritage Library | . | Cambio de: Publications of the Institute of Marine Science |
| Contributions in Science | 1961- | Natural History Museum of Los Angeles | . | . |
| Contributions of the Archaeological Research Facility | 1965- | University of California, Berkeley | . | . |
| Contributions of the Astronomical Observatory Skalnate Pleso | 1955- | Astronomical Observatory Skalnate Pleso | . | . |
| Contributions of the Astronomical Observatory Skalnate Pleso | 1955- | NASA Astrophysics Data System | . | . |
| Contributions of the Astronomical Observatory Skalnate Pleso | 1955- | Astronomical Observatory Skalnate Pleso | . | . |
| Contributions of the Astronomical Observatory Skalnate Pleso Letters | 1983-1999 | Astrophysics Data System | . | . |
| Contributions of the Astronomical Observatory Skalnate Pleso Supplement | 1992-1999 | Astrophysics Data System | . | . |
| Contributions of the Maclurian Lyceum to the arts and sciences | 1827-1829 | BioDiversity Heritage Library | . | . |
| Contributions to biology from the Hopkins Seaside Laboratory of the Leland Stanford Jr University | 1895-1904 | BioDiversity Heritage Library | . | . |
| Contributions to Canadian biology : being studies from the Marine Biological Station of Canada | 1901-1905 | BioDiversity Heritage Library | . | . |
| Contributions to Canadian biology and fisheries | 1901-1901 | BioDiversity Heritage Library | . | . |
| Contributions to Discrete Mathematics | 2006- | University of Calgary | https://cdm.ucalgary.ca/ | . |
| Contributions to embryology | 1916-1921 | BioDiversity Heritage Library | . | . |
| Contributions to Entomology | 1951- | Johann Wolfgang Goethe-Universität Frankfurt | . | . |
| Contributions to Geophysics and Geodesy | 2005- | Slovak Academic Press | . | . |
| Contributions to Mathematics | 2020- | Shahin Digital Publisher | . | . |
| Contributions to Natural History Scientific Papers from the Natural History Museum Bern | 2003- | ETH Zürich | . | . |
| Contributions to Nepalese studies | 2000- | Tribhuvan University | . | . |
| Contributions to ornithology for 1848-1853 / | 1848-1852 | BioDiversity Heritage Library | . | . |
| Contributions to science | 1999- | Institut d’Estudis Catalans | . | . |
| Contributions to science | 1999-2006 | Dialnet | . | . |
| Contributions to science | 1999- | RACO | . | . |
| Contributions to the botany of Vermont | 1898-1911 | BioDiversity Heritage Library | . | . |
| Contributions to Tobacco & Nicotine Research | 1962- | Sciendo | . | Cambio de: Beiträge zur Tabakforschung International |
| Contributions to Zoology | 1997- | Brill | . | . |
| Control and Optimization in Applied Mathematics | 2016- | Payame Noor University | . | . |
| Control and Cybernetics | 2003-2010 | Polish Digital Mathematics Library | . | . |
| Control and Cybernetics | 2001- | Sciendo | . | . |
| Control Design | 1998- | Putnam Media | . | . |
| Control Engineering | 1996- | Reed Business Information | . | . |
| Control of the buffalo treehopper in Eastern Canada | 1955 | BioDiversity Heritage Library | . | . |
| Control series bulletin / Massachusetts Agricultural Experiment Station | 1914-1960 | BioDiversity Heritage Library | . | . |
| Control Systems and Computers | 2009- | International Research and Training Center for Information Technologies and Systems of NASU and MESU | . | . |
| Control Theory and Informatics | 2011- | International Institute for Science, Technology and Education | . | . |
| Controvérsia | 2010- | Universidade do Vale do Rio dos Sinos | . | . |
| Controversia para el examen de la realidad argentina | 1979-1981 | CeDInCI | . | . |
| Controversias y Concurrencias Latinoamericanas | 2009- | Red ALyC | . | . |
| Convenience Store Decisions | 2001- | Penton Media | . | . |
| Convenience Store News | 1999- | Bill Communications, Inc. | . | . |
| Convenit Internacional | 1996- | Editora Mandruva | . | . |
| Converge | 1998- | Converge | . | . |
| Converge! Network Digest | 1999- | Converge! Network Digest | . | . |
| Convergence Security | 2016- | River Publishers | . | . |
| Convergence Security Journal | 2013- | Korea Science | . | . |
| Convergences francophones | 2014- | Mount Royal University | . | . |
| Convergencia | 1999- | Red ALyC | . | . |
| Convergencia | 1993- | Universidad Autonoma del Estado de Mexico | . | . |
| Convergencia | 2005- | Dialnet | . | . |
| Convergencia | 2006- | SciELO (Mexico) | . | . |
| Convergencia Cientifica | 2014- | Universidad Alas Peruanas | . | . |
| Convergencias Revista de educación | 2018- | Universidad Nacional de Cordoba | . | . |
| Convergencias Revista de Investigacao e Ensino das Artes | 2008- | Instituto Politécnico de Castelo Branco | . | . |
| Convergencias Revista de Investigacao e Ensino das Artes | 2020- | SciELO (Portugal) | . | . |
| Convergent Science Physical Oncology | 2015- | IOP Publishing | . | . |
| Conversaciones | 2015- | Instituto Nacional de Antropología e Historia | . | . |
| Conversas & controvérsias | 2010- | . | . | . |
| Conversations The Journal of Cavellian Studies | 2013- | University of Ottawa | . | . |
| Conversus | 2001- | Instituto Politecnico Nacional, Mexico | . | . |
| Convicciones | 2014- | Universidad Nacional del Centro del Perú | . | . |
| Convivium | 2007- | Lodz University Press | . | . |
| Convivium Revista de Filosofía | 1990- | RACO | . | . |
| Coojornal | . | . | . | . |
| Coolabah | 2009- | Universitat de Barcelona | . | . |
| Coolabah | 2009- | RACO | . | . |
| Cooper Rowan Medical Journal | 2019- | Rowan Digital Works | . | . |
| Cooperación agraria | 2008- | Dialnet | . | . |
| Cooperative economic insect report | 1951-1975 | BioDiversity Heritage Library | . | . |
| Cooperative economic insect report | 1954-1975 | BioDiversity Heritage Library | . | . |
| Cooperativismo & Desarrollo | 2010- | Dialnet | . | . |
| Cooperativismo & Desarrollo | 2012- | Universidad Cooperativa de Colombia | . | . |
| Cooperativismo y Desarrollo | 2013- | Universidad de Pinar del Río 'Hermanos Saíz Montes de Oca' | . | . |
| Cooperativismo y Desarrollo | 2019- | SciELO (Cuba) | . | . |
| Coordenadas Revista de Historia Local y Regional | 2021- | Universidad Nacional de Río Cuarto | . | . |
| Coordinates Online Journal of the Map and Geography Round Table of the American Library Association Series A | 2005- | American Library Association | . | . |
| Coordinates Online Journal of the Map and Geography Round Table of the American Library Association Series B | 2005- | American Library Association | . | . |
| COPAS Current Objectives of Postgraduate American Studies | 2000- | University of Regensburg | . | . |
| COPD Journal of Chronic Obstructive Pulmonary Disease | 2022- | Taylor & Francis | . | . |
| COPD Research and Practice | 2015-2017 | BioMed Central | dejó de publicarse | . |
| COPE Digest Publication Ethics in Practice | 2013- | Committee on Publication Ethics | . | . |
| Copeia | 1913-1922 | JSTOR | . | Cambio a: Ichthyology & herpetology |
| Copeia | 1913-1917 | BioDiversity Heritage Library | . | Cambio a: Ichthyology & herpetology |
| Copenhagen Journal of Asian Studies | 2021- | CBS Open Journals | . | . |
| Copernican Journal of Finance & Accounting | 2012- | Akademicka Platforma Czasopism | . | . |
| Copérnico | 2004- | Universidad Nacional Experimental de Guayana | . | . |
| Copia literal de las noticias más interesantes que se contienen en los impresos recibidos en el correo de | 1815-1820 | Biblioteca Nacional de España | . | . |
| Coptic church review A quarterly of contemporary patristic studies | 1994- | Society of Coptic Church Studies | . | . |
| Copyright and New Media Legal News | 1996-1999 | National Library of Canada Electronic Collection | . | . |
| Copyright New Media Law and E commerce News | 1999- | National Library of Canada Electronic Collection | . | . |
| Coq-héron Le | 2002- excepto últimos 72 meses | CAIRN | . | . |
| Cor et Vasa | 2006- | Czech Society of Cardiology | . | . |
| Corafi Bilimler Dergisi | 2003- | Ankara University | . | . |
| Corafya Dergisi | 2017- | Istanbul University Press | . | . |
| Corax Veröffentlichungen der Ornithologischen Arbeitsgemeinschaft für Schleswig-Holstein und Hamburg e V Kiel | 1965- excepto últimos 24 meses | Ornithologische Arbeitsgemeinschaft fur Schleswig-Holstein und Hamburg e.V. | . | . |
| CORD | 2007- | International Coconut Community | . | . |
| CORDIS Focus Community Research and Development Information Service | 1997- | European Commission | . | . |
| Cordis Revista Eletrônica de História Social da Cidade | 2008- | Pontifícia Universidade Católica de São Paulo | . | . |
| Core Evidence | 2005-2020 | PubMed Central | . | . |
| Core Evidence | 2005- | Dove Medical Press | . | . |
| CORE newsletter | 1999- | York University, Canada | . | . |
| CORE newsletter | 1999-1905 | York University | . | . |
| Corela Cognition, représentation, langage | 2003- | Open Edition | . | . |
| CORELL Computer Resources for Language Learning | 2007- | Universidad Católica San Antonio de Murcia | . | . |
| Corella | 1977- excepto últimos 24 meses | Australian Bird Study Association | . | . |
| Córima Revista de Investigación en Gestión Cultural | 2016- | Universidad de Guadalajara | . | . |
| Coriolis Interdisciplinary journal of maritime studies | 2010- | Mystic Seaport Museum, Inc. | . | . |
| Coris Revista de ciencias sociales y humanidades | 1997- | Escuela de Ciencias Sociales y Círculo de Cartago | . | . |
| Cormorant The | 1978-1987 | The Seabird Group | . | Cambio a: Marine Ornithology |
| Cormorant The | 1978-1987 | SORA | . | Cambio a: Marine Ornithology |
| CORMOSEA bulletin | 1976- | Association for Asian Studies | . | . |
| Cornell bulletin for homemakers | 1901-1950 | Cornell University Library | . | . |
| Cornell Chronicle | 1996- | Cornell University | . | . |
| Cornell extension bulletin | 1916-1981 | Cornell University Library | . | . |
| Cornell international affairs review | 2007- | Cornell University | . | . |
| Cornell reading course for the farm | 1911-1923 | Cornell University Library | . | . |
| Cornell reading-course for farmers | 1900-1910 | Cornell University Library | . | . |
| Cornell reading-course for farmers Reading-lesson | 1898-1904 | Cornell University Library | . | . |
| Cornell reading-course for farmers' wives | 1902-1910 | Cornell University Library | . | . |
| Cornell recommendations for commercial floriculture crops | 1954-1984 | Cornell University Library | . | . |
| Cornell recommendations for commercial production and maintenance of trees and shrubs | 1968-1970 | Cornell University Library | . | . |
| Cornell recommendations for trees and shrubs | 1953-1966 | Cornell University Library | . | . |
| Cornell recommendations for turfgrass | 1963-1979 | Cornell University Library | . | . |
| Cornell recommends for field crops | 1950-1971 | Cornell University Library | . | . |
| Cornell University Agricultural Experiment Station Bulletin Cornell University Agricultural Experiment Station | 1888-1970 | Cornell University Library | . | . |
| Cornell University Library Historical Math Monographs | 1811-1936 | Project Euclid | . | . |
| Cornell veg-news | 1950-1980 | Cornell University Library | . | . |
| Cornell veterinarian | 1911-1994 | Hathitrust | . | . |
| Corporate Watch Newsletter | 1996- | Corporate Watch (UK) | . | . |
| Corporeizando | 2008- | Universidad Pedagógica Nacional | . | . |
| Corporum | 2018- | Corpus Research Center | . | . |
| Corps et Culture | 1995-2004 | Open Edition | . | . |
| Corps Revue Interdisciplinaire | 2006- excepto últimos 36 meses | CAIRN | . | . |
| Corpus | 2002- excepto últimos 6 meses | Open Edition | . | . |
| Corpus Archivos virtuales de la alteridad americana | 2011- | Open Edition | . | . |
| Corpus Christi Caller Times | 1998- | E.W. Scripps Publications | . | . |
| Corpus Eve | 2013- | Open Edition | . | . |
| Corpus Mundi Journal of Body Studies | 2020- | OOO NPP Genezis. Frontir. Nauka | . | . |
| Corpus Pragmatics | 2017- | Springer | . | . |
| Corrections Technology and Management CTM | 1998- | Hendon Publications | . | . |
| Correlatio | 2002- | Universidade Metodista de São Paulo | . | . |
| Correo Cientfico Mdico | 2020- | Universidad de Ciencias Mdicas de Holgun | . | . |
| Correo Cientifico Medico | 1997-2011 | BVS - Biblioteca Virtual en Salud (Cuba) | . | . |
| Correo Cientifico Medico | 2000- | Imbiomed | Registro individual requerido | . |
| Correo Cientifico Medico | 2013- | SciELO (Cuba) | . | . |
| Correo Cientifico Medico | 2012- | Medigraphic | . | . |
| Correo Cientifico Medico | 2012- | Infomed Cuba | . | . |
| Correo de Galicia Diario independiente de avisos y noticias | 1900-1919 | Galiciana | . | . |
| Correo de Galicia órgano de la colectividad gallega en la República Argentina | 1919-1929 | Galiciana | . | . |
| Correo de Gerona | 1808 | Biblioteca Nacional de España | . | . |
| Correo de Jaén | 1808-1810 | Biblioteca Nacional de España | . | . |
| Correo de la Comisión Provincial de Santiago | 1811-1812 | Galiciana | . | . |
| Correo de la Comisión Provincial de Santiago | 1812 | Biblioteca Nacional de España | . | . |
| Correo de las damas Madrid | 1833-1835 | Biblioteca Nacional de España | . | . |
| Correo de los niños | 1913-1914 | Biblioteca Nacional de España | . | . |
| Correo de los teatros | 1850-1852 | Biblioteca Nacional de España | . | . |
| Correo de Lugo Periódico de intereses morales y materiales | 1860-1900 | Galiciana | . | . |
| Correo de Madrid ó de los ciegos | 1786-1791 | Biblioteca Nacional de España | . | . |
| Correo de Murcia | 1808-1809 | Biblioteca Nacional de España | . | . |
| Correo de Sevilla | 1803-1815 | Biblioteca Nacional de España | . | . |
| Correo de Torruella de Mongrí | 1808 | Biblioteca Nacional de España | . | . |
| Correo de Valencia Valencia 1797 | 1797 | Biblioteca Nacional de España | . | . |
| Correo de Valencia Valencia 1810 | 1811 | Biblioteca Nacional de España | . | . |
| Correo de Vitoria | 1813-1814 | Biblioteca Nacional de España | . | . |
| Correo general | 1814 | Biblioteca Nacional de España | . | . |
| Correo general de Sevilla | 1820 | Biblioteca Nacional de España | . | . |
| Correo mercantil de Cádiz | 1816-1824 | Biblioteca Nacional de España | . | . |
| Correo político y literario de Salamanca | 1808 | Biblioteca Nacional de España | . | . |
| Correo político y mercantil de Sevilla | 1814 | Biblioteca Nacional de España | . | . |
| Correspondance Pour lamélioration du français | 1996- | CCDMD | . | . |
| Correspondence : Coulter (John) and Engelmann (George), 1876-1883 | 1876-1883 | BioDiversity Heritage Library | . | . |
| Correspondence : Engler (Adolph) and Engelmann (George), 1879-1880 | 1879-1880 | BioDiversity Heritage Library | . | . |
| Correspondence : Leggett (William) and Engelmann (George), 1870-1878 | 1870-1878 | BioDiversity Heritage Library | . | . |
| Correspondence : Patterson (Harry) and Engelmann (George), 1874 | 1874-1882 | BioDiversity Heritage Library | . | . |
| Correspondences | 2013- | Correspondences | . | . |
| Correspondences on Human Interface | 2002-2002 | J-STAGE, Japan Science and Technology Information Aggregator, Electronic | . | . |
| Correspondencia gallega diario de Pontevedra | 1897-1920 | Galiciana | . | . |
| Correspondencia literario-médica o Periódico trimestre de medicina cirugía química y pharmacia & c | 1804 | Biblioteca Nacional de España | . | . |
| Correspondencia teatral | 1873-1875 | Biblioteca Nacional de España | . | . |
| Correspondencias & Analisis | 2011- | Dialnet | . | . |
| Correspondencias & Analisis | 2011- | Universidad de San Martín de Porres | . | . |
| Correspondenz-blatt des Entomologischen Vereins 'Iris' zu Dresden | 1884-1888 | BioDiversity Heritage Library | . | . |
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