E-Revistas
Database of Spanish and Latin American scientific journals (CINDOC-CSIC)

Redalyc
Network of Latin American and Caribbean, Spanish and Portuguese scientific journals

Latindex (Catalog)
Online regional information system for Latin American and Caribbean, Spanish and Portuguese scientific journals

Intute
Web resources for education and research, evaluated and selected, promoted by seven British universities (Manchester, Oxford, Manchester Metropolitan, Nottingham, Heriot Watt, Bristol and Birmingham Universities)

Unesco Observatory on the Information Society
Resources on the impact of globalization and knowledge society

InCom UAB
Online resources on communication (Autonomous University of Barcelona)

ISOC
Reference directory of the Centro de Información y Documentación Científica (CINDOC-CSIC)

Ulrich's periodicals directory
Reference source of worldwide journals

Dialnet
Portal for the dissemination of Spanish-American scientific work promoted by the University of La Rioja

Newjour
E-journals and information newsletters

Gold Rush (formerly Electronic journal miner)
Directory of digital journals promoted by Colorado Alliance

Journalseek
Directory of academic journals promoted by the Online Computer Library Center (OCLC)

RACO
Bank of open access Catalan journals

OAISTER
Bank of open access journals with worldwide application (University of Michigan)

Scientific Commons
Bank of open access journals with worldwide application (University of Saint Gallen)

CBUC
Consortium of Catalan university libraries

REBIUN
Network of Spanish university libraries

Biblioteca virtual Miguel de Cervantes
The Library of Spanish Cultures (University of Alicante)

Biblioteca Nacional de España
Collective catalogue of journals

Biblioteca virtual Joan Lluís Vives
Library of Catalan, Valencian and Balearic Culture

Library of Congress (USA)
Online catalogue

BiblioSHS de l'INIST-CNRS
Information site about human sciences and society, INIST-CNRS (France)