Collection
Cambridge Books Online
3
DeGruyter MPG Collection
4
Directory of Open Access Books
26
Eighteenth Century Collections Online / ECCO
1,856
Emerald Business, Management and Economics eBook Collection Archive
1
JSTOR Open Access Books
4
MIT Press eBook Archive
1
Making of the Modern World
146
Netlibrary
1
O'Reilly
8
OAPEN
12
Primary Sources for Slavic Studies
1
Springer Book Archives -2004
11
Springer eBooks 2005-
16