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