DOAB Directory of Open Access Books
2020
DOAB Directory of Open Access Books
2014
Project Muse Open Access ebooks
2015
DOAB Directory of Open Access Books
2013
OAPEN (Open Access Publishing in European Networks)
2024
DOAB Directory of Open Access Books
2024
De Gruyter Brill Open Access eBooks
2024
DOAB Directory of Open Access Books
2021
OAPEN (Open Access Publishing in European Networks)
2015
De Gruyter Brill Open Access eBooks
2016
DOAB Directory of Open Access Books
2015
DOAB Directory of Open Access Books
2008
Books at JSTOR: Open Access
2008
DOAB Directory of Open Access Books
1949