Collection
Springer Book Archives -2004
151
Springer eBooks 2005-
88
Directory of Open Access Books
16
Oxford University Press
13
Cambridge Books Online
10
MIT Press eBook Archive
9
Eighteenth Century Collections Online / ECCO
8
JSTOR Open Access Books
8
DeGruyter MPG Collection
7
OAPEN
5
Emerald Business, Management and Economics eBook Collection Archive
4
O'Reilly
3
Edward Elgar eBook Archive
2
Digi20
1
International Monetary Fund
1
Netlibrary
1
Oxford Handbook Online
1