Collection
Springer Book Archives -2004
2,736
Springer eBooks 2005-
1,657
Directory of Open Access Books
146
O'Reilly
118
MIT Press eBook Archive
21
OAPEN
18
Making of Modern Law / Legal Treatises
16
DeGruyter MPG Collection
4
ACS Symposium Series
1
Elsevier eBook collection Mathematics
1
Oxford University Press
1