Collection
Springer eBooks 2005-
1,098
Springer Book Archives -2004
423
Directory of Open Access Books
213
ACS Symposium Series
99
ACS Advances in Chemistry
35
O'Reilly
18
Cambridge Books Online
16
Elsevier ScienceDirect eBooks
9
Oxford University Press
7
DeGruyter MPG Collection
2
Wiley Online Books
2
Edward Elgar eBook Archive
1
Henry Stewart Talks
1
MIT Press eBook Archive
1
OAPEN
1