Collection
Springer eBooks 2005-
2,391
Springer Book Archives -2004
1,213
Directory of Open Access Books
778
O'Reilly
155
ACS Symposium Series
54
Wiley Online Books
35
Elsevier ScienceDirect eBooks
28
Cambridge Books Online
10
OAPEN
10
Oxford University Press
8
DeGruyter MPG Collection
5
Oxford Handbook Online
3
JSTOR Open Access Books
2
ACS Advances in Chemistry
1
MIT Press eBook Archive
1
National Center for Biotechnology Information
1