Collection
Springer eBooks 2005-
178
Springer Book Archives -2004
69
O'Reilly
17
JSTOR Open Access Books
7
ACS Symposium Series
6
MIT Press eBook Archive
5
National Center for Biotechnology Information
5
Oxford University Press
4
Cambridge Books Online
2
DeGruyter MPG Collection
2
Editoria Italiana Online
2
MIT Press Direct to Open
1
Wiley Online Books
1