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Book reviews / Reseñas
Discipline-Specific
eBooks / Libros electrónicos
Encyclopedia / Enciclopedia
Full Text / Texto Completo
General Interest / Interés General
Index / Abstract / Indice / Extracto
Newspapers / Periódicos
Open Access / Acceso Abierto
Standards / Estándares
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Trial / A Prueba
Video
African Journals Online (AJOL)
Agencia Espanola de Cooperacion Internacional para el Desarrollo (AECID)
Alexander Street Press
Aliaksandr Rahoisha
Allen Institute for AI
Alliance of Crop, Soil and Environmental Science Societies
AMEDEO
American Association for the Advancement of Science (AAAS)
American Chemical Society (ACS)
American Institute of Physics (AIP) Publishing
American Mathematical Society
American National Standards Institute (ANSI)
American Physical Society
American Phytopathological Society
American Psychological Association (APA)
American Society for Engineering Education Publishing
American Society for Horticultural Science (ASHS)
American Society of Agronomy
American Society of Civil Engineers
American Society of Mechanical Engineers (ASME)
Americas Society/Council of the Americas
Annual Reviews
Archivo Nacional de Puerto Rico
Association for Computing Machinery (ACM)
ASTM International
Bentham Science Publishers
Bepress
BHL Consortium
Bielefeld University Library
Bioline International
BioOne
BioScientifica Ltd.
Boston College Libraries
Brewster Kahle
Brill
CABI (Centre for Agriculture and Biosciences International)
Cambia
Cambridge University Press (CUP)
Canadian Science Publishing (CSP)
Cellule MathDoc
Center for Open Science (COS)
Centre for Digital Philosophy
CERN (European Organization for Nuclear Research)
Clarivate
Cold Spring Harbor Laboratory
Colorado Alliance of Research Libraries
Consejo Latinoamericano de Ciencias Sociales (CLACSO)
Consejo Superior de Investigaciones Científicas (CSIC)
Cornell Law Library
Cornell University Library
De Gruyter
Digital Public Library of America (DPLA)
Digital Science & Research Solutions Inc.
Dirección de Publicaciones de El Colegio de México
EBSCO
EDP Sciences
Elsevier
Engineering Design Graphics Division of ASEE
Farlex, Inc.
Federal Reserve
Federal Reserve Bank - Atlanta
Federal Reserve Bank - Boston
Federal Reserve Bank - Chicago
Federal Reserve Bank - Cleveland
Federal Reserve Bank - Dallas
Federal Reserve Bank - Minneapolis
Federal Reserve Bank - New York
Federal Reserve Bank - San Francisco
Federal Reserve Bank - St. Louis
Food and Agriculture Organization (FAO) of the United Nations
Foundation for the Promotion of Science of the State of Sao Paulo (FAPESP)
Geneva Foundation for Medical Education and Research
Geological Society of America
GeoScienceWorld
GGU IPLC (Golden Gate University Intellectual Property Law Center)
Google
Government Publishing Office (GPO)
Harvard Law School
HeinOnline
IEEE
IGI Global
IHS
Infrastructure Services for Open Access
Ingenta
Institute for Operations Research and the Management Sciences (INFORMS)
Institute of Education Sciences of US Department of Education
Institute of Physics (IOP) Publishing
Instituto de Estadísticas de Puerto Rico (IEPR)
Intergovernmental Oceanographic Commission (IOC)
International Association of Aquatic and Marine Science Libraries and Information Centers (IAMSLIC)
International Organization for Standardization (ISO)
Internet Archive
ITHAKA
Jisc
John Wiley & Sons, Inc.
Johns Hopkins University Press
JSTOR
Karger Publishers
Knowledge Unlatched
Latin American Institute, University of California, Los Angeles (UCLA)
Leibniz Institute for Psychology (ZPID)
LIBER (Ligue des Bibliothèques Européennes de Recherche)
Library and Archives Canada
Library of Congress
Manchester University Press
Marine Corps University Press (MCUP)
Merriam-Webster
Michigan State University
Milne Library at SUNY Geneseo
Mineralogical Society of America
Ministerio de Cultura de España
MIT Press
Modern Language Association (MLA)
Mycological Society of America
MyJove Corp.
National Academies Press (NAP)
National Autonomous University of Mexico (UNAM)
National Center for Biotechnology Information (NCBI)
National Institute of Informatics (NII)
National Library of Medicine (NLM)
National Museum of Natural History
Networked Digital Library of Theses and Dissertations (NDLTD)
New York Times
Northwestern University
OCLC
Old City Publishing
Open Access Publishing in European Networks (OAPEN)
Open Book Publishers
Open Edition Center
OpinionArchives
OurResearch
OVID SP
Oxford University Press (OUP)
Pan American Health Organization (PAHO)
PDR Network
PLOS
Princeton University
Project Gutenberg
Project MUSE
ProQuest
Puerto Rican Endowment for the Humanities
Rice University
Royal Society of Chemistry (RSC)
Sage Publishing
ScienceOpen, Inc.
Society for the Improvement of Psychological Science (SIPS)
Society of Exploration Geophysicists (SEG)
Springer Nature
SUNY Geneseo, Milne Library Publishing
Swiss Federal Institute of Technology
Taylor and Francis
The Metaphysics Research Lab, Department of Philosophy, Stanford University
The Open University
The Royal Society Publishing
U. S. Census Bureau
U. S. Government Publishing Office
U.S. Department of Homeland Security’s National Preparedness Directorate
United Nations
United States Pharmacopeia
Universidad Autonoma del Estado de Mexico
Universidad Interamericana de Puerto Rico
Universities of Leeds, Sheffield and York
University College London
University of Adelaide
University of British Columbia - Woodward Library
University of Chicago Press
University of Florida / Florida Digital Archive
University of Minnesota, College of Education and Human Development, Center for Open Education
University of Pennsylvania
University of Puerto Rico - Mayaguez- College of Engineering
University of Puerto Rico (UPR)
University of Puerto Rico-Mayaguez
UPR Sea Grant Program
USDA (United States Department of Agriculture)
USPTO
Wake Forest University
Wolters Kluwer
World Bank Group