Collection
Springer eBooks 2005-
202
Springer Book Archives -2004
128
Directory of Open Access Books
62
JSTOR Open Access Books
18
DeGruyter MPG Collection
17
OAPEN
15
Digi20
11
Cambridge Books Online
4
O'Reilly
4
Oxford University Press
4
MIT Press eBook Archive
2
Anthropology Online
1
Oxford Handbook Online
1