Collection
Springer eBooks 2005-
4,123
Springer Book Archives -2004
1,903
Springer Protocols Archive 1981-2004
312
Directory of Open Access Books
205
Wiley Online Books
95
Karger eBooks Collection 1997-2013
80
National Center for Biotechnology Information
40
Henry Stewart Talks
38
ACS Symposium Series
27
Elsevier ScienceDirect eBooks
24
O'Reilly
17
MIT Press eBook Archive
16
RSC eBook Collection 1968-2009
13
DeGruyter MPG Collection
8
Cambridge Books Online
7
OAPEN
7
Oxford University Press
6
OECD Books and Papers
3
ACS Advances in Chemistry
2
Wiley Reference Works
2
Elsevier eBook collection Mathematics
1
JSTOR Open Access Books
1
Karger eBooks Collection 1997-2009
1
Oxford Handbook Online
1
SPIE Conference Proceedings
1