E-Books em Acesso Aberto
BCcampus openEd - Openly licensed textbooks
DOAB - Directory of Open Access Books
EBSCO eBook Open Access Collection
Hathi Trust Digital Library - Mais de 17 milhões de títulos digitalizados pertencentes a Bibliotecas Académicas e de Investigação
IntechOpen - Publisher of Open Access books
OAPEN Library - a central repository for hosting and disseminating OA books
Open textbook Library - Books in use at multiple higher education institutions, or affiliated with a higher education institution, scholarly society, or professional organization
SpringerLink
