Collection
Springer Book Archives -2004
274
Springer eBooks 2005-
239
Directory of Open Access Books
70
Oxford University Press
31
Cambridge Books Online
17
OAPEN
10
MIT Press eBook Archive
9
DeGruyter MPG Collection
7
JSTOR Open Access Books
4
Oxford Handbook Online
4
Editoria Italiana Online
2
Netlibrary
2
O'Reilly
2
Digi20
1
Making of Modern Law / Legal Treatises
1
Wiley Online Books
1