Collection
Springer eBooks 2005-
962
Springer Book Archives -2004
496
Directory of Open Access Books
95
O'Reilly
95
Oxford University Press
58
MIT Press eBook Archive
35
Cambridge Books Online
34
JSTOR Open Access Books
24
Karger eBooks Collection 1997-2013
15
Edward Elgar eBook Archive
12
OAPEN
12
DeGruyter MPG Collection
11
Elsevier ScienceDirect eBooks
10
National Center for Biotechnology Information
7
Edward Elgar eBooks Collection Business & Economics
5
Emerald Business, Management and Economics eBook Collection Archive
5
Oxford Handbook Online
5
Wiley Online Books
4
World Bank E-Library Archive
3
Editoria Italiana Online
1
Karger eBooks Collection 1997-2009
1
MIT Press Direct to Open
1
Netlibrary
1
OECD Books and Papers
1
wiso-net eBooks
1