Collection
Eighteenth Century Collections Online / ECCO
40
Making of Modern Law / Legal Treatises
21
Netlibrary
20
Making of the Modern World
13
JSTOR Open Access Books
8
Springer eBooks 2005-
8
Directory of Open Access Books
6
Springer Book Archives -2004
5
Cambridge Books Online
3
O'Reilly
2
DeGruyter MPG Collection
1
Digi20
1