OAPEN (Open Access Publishing in European Networks)
1955
DOAB Directory of Open Access Books
1955
Books at JSTOR: Open Access
1955
Brill Open e-Books
1955
ScienceDirect
2006
Brill Open e-Books
2016
OAPEN (Open Access Publishing in European Networks)
2024
DOAB Directory of Open Access Books
2024
Springer Nature Link eBooks - Fully Open Access
2024
OAPEN (Open Access Publishing in European Networks)
2025
DOAB Directory of Open Access Books
2025
DOAB Directory of Open Access Books
2009
De Gruyter Brill Open Access eBooks
2009
DOAB Directory of Open Access Books
1996
ScienceDirect
2007
DOAB Directory of Open Access Books
2024
ScienceDirect
2013