Collection
Springer eBooks 2005-
1,799
Directory of Open Access Books
137
Springer Book Archives -2004
113
O'Reilly
71
ACS Symposium Series
54
Henry Stewart Talks
38
Wiley Online Books
20
Elsevier ScienceDirect eBooks
10
National Center for Biotechnology Information
9
OAPEN
5
ACS Advances in Chemistry
4
MIT Press eBook Archive
4
Oxford Handbook Online
3
DeGruyter MPG Collection
2
JSTOR Open Access Books
2
Netlibrary
2
Cambridge Books Online
1
Lecture Notes in Physics
1
Oxford University Press
1
World Bank E-Library Archive
1