Collection
Springer eBooks 2005-
1,439
Springer Book Archives -2004
1,384
Directory of Open Access Books
231
O'Reilly
44
Making of the Modern World
31
OAPEN
12
Eighteenth Century Collections Online / ECCO
11
MIT Press eBook Archive
7
Wiley Online Books
4
Oxford University Press
2
DeGruyter MPG Collection
1
Emerald Business, Management and Economics eBook Collection Archive
1