Collection
Springer eBooks 2005-
1,572
Springer Book Archives -2004
810
Directory of Open Access Books
131
Karger eBooks Collection 1997-2013
79
National Center for Biotechnology Information
13
Henry Stewart Talks
12
Eighteenth Century Collections Online / ECCO
7
Oxford University Press
5
Elsevier ScienceDirect eBooks
3
Cambridge Books Online
2
JSTOR Open Access Books
2
MIT Press eBook Archive
2
World Bank E-Library Archive
2
Brill Nijhoff E-Books Collections 2006-2008
1
Nomos
1
Springer Protocols Archive 1981-2004
1