Biblioteca Digital Hispánica
Provides digitised collections from the National Library of Spain.
EU-OSHA
European Union information agency on occupational safety and health (OSH)
EThOS – e-theses online service
Provided by the British Library, it is a free online service that offers access to doctoral theses from the United Kingdom
Google Académico
Freely accessible virtual search engine that organises and lists full texts or metadata from academic literature in a wide variety of publication formats
Google Books
Provides access to thousands of books, many of which are available in full text in open access
The European Library
Directory that provides access to the digital collections of libraries in 46 European countries.
DOAJ (Diretório de Periódicos de Acesso Aberto)
Portal containing a large number of open access journals.
OpenAire
Aggregator of European repositories.
SCIELO INTERNACIONAL
Portal for Open Access Scientific Journals from various countries.
DART – Europe E-Theses Portal
Directory of European scientific output. Includes the scientific output of more than 350 European universities