ScienceDirect
1989
MIT Press Direct to Open Backfile Complete Monographs
1992
OAPEN (Open Access Publishing in European Networks)
2019
DOAB Directory of Open Access Books
2019
Books at JSTOR: Open Access
2019
De Gruyter Brill Open Access eBooks
2019
Taylor & Francis eBooks (Open Access)
2019
Project Muse Open Access ebooks
2019
ScienceDirect
2020
DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2022
DOAB Directory of Open Access Books
2005
OAPEN (Open Access Publishing in European Networks)
2005
Taylor & Francis eBooks (Open Access)
2005
ScienceDirect
2007