Collection
Springer Book Archives -2004
106
Springer eBooks 2005-
52
Directory of Open Access Books
34
Cambridge Books Online
16
OAPEN
9
JSTOR Open Access Books
7
Oxford University Press
7
DeGruyter MPG Collection
5
MIT Press eBook Archive
3
OECD Books and Papers
3
Elsevier eBook collection Mathematics
2
International Monetary Fund
2
Nomos
2
O'Reilly
2
World Bank E-Library Archive
2
Duncker & Humblot eBooks 2007-
1
National Center for Biotechnology Information
1
Social Theory (Alexander Street Press)
1