Collection
Eighteenth Century Collections Online / ECCO
146
Springer eBooks 2005-
29
Springer Book Archives -2004
12
Directory of Open Access Books
8
Oxford University Press
6
Cambridge Books Online
5
JSTOR Open Access Books
5
OAPEN
4
Netlibrary
2
Nomos
2
DeGruyter MPG Collection
1
MIT Press eBook Archive
1
Making of Modern Law / Legal Treatises
1
Making of the Modern World
1
O'Reilly
1