Collection
Springer eBooks 2005-
877
Directory of Open Access Books
420
Springer Book Archives -2004
146
O'Reilly
27
Karger eBooks Collection 1997-2013
17
National Center for Biotechnology Information
15
Making of the Modern World
13
ACS Symposium Series
12
OAPEN
9
Cambridge Books Online
2
Elsevier ScienceDirect eBooks
2
ACS Advances in Chemistry
1
Elsevier eBook collection Mathematics
1
JSTOR Open Access Books
1
Karger eBooks Collection 1997-2009
1
MIT Press eBook Archive
1
Oxford University Press
1
Wiley Online Books
1