Collection
Springer eBooks 2005-
825
Directory of Open Access Books
290
Springer Book Archives -2004
151
Nomos
131
National Center for Biotechnology Information
99
OAPEN
62
Oxford University Press
56
JSTOR Open Access Books
46
O'Reilly
23
World Bank E-Library Archive
18
Cambridge Books Online
10
DeGruyter MPG Collection
9
Oxford Handbook Online
6
Digi20
3
Emerald Business, Management and Economics eBook Collection Archive
3
JSTOR Books
2
MIT Press eBook Archive
2
Bloomsbury Education and Childhood Studies
1
Editoria Italiana Online
1
Edward Elgar eBook Archive
1
Mohr Siebeck eBooks
1