ScienceDirect
2011
OAPEN (Open Access Publishing in European Networks)
2026
DOAB Directory of Open Access Books
2026
Taylor & Francis eBooks (Open Access)
2026
DOAB Directory of Open Access Books
2024
OAPEN (Open Access Publishing in European Networks)
2024
DOAB Directory of Open Access Books
2024
DOAB Directory of Open Access Books
2017
DOAB Directory of Open Access Books
2019
Books at JSTOR: Open Access
2019
OAPEN (Open Access Publishing in European Networks)
2016
DOAB Directory of Open Access Books
2016
Project Muse Open Access ebooks
2016
OAPEN (Open Access Publishing in European Networks)
2012
DOAB Directory of Open Access Books
2012
DOAB Directory of Open Access Books
2018
OAPEN (Open Access Publishing in European Networks)
2018
DOAB Directory of Open Access Books
2018
Books at JSTOR: Open Access
2018
De Gruyter Brill Open Access eBooks
2018
Project Muse Open Access ebooks
2018