Collection
Springer eBooks 2005-
149
Directory of Open Access Books
75
Springer Book Archives -2004
24
Oxford University Press
18
OAPEN
13
MIT Press eBook Archive
10
Cambridge Books Online
9
JSTOR Open Access Books
9
Oxford Handbook Online
3
DeGruyter MPG Collection
2
Digi20
2
Netlibrary
2
O'Reilly
2
Editoria Italiana Online
1
Elsevier eBook collection Mathematics
1
Social Theory (Alexander Street Press)
1