Collection
Oxford University Press
42
Cambridge Books Online
26
Directory of Open Access Books
17
JSTOR Open Access Books
13
DeGruyter MPG Collection
11
MIT Press eBook Archive
8
World Bank E-Library Archive
7
Digi20
5
O'Reilly
4
OAPEN
3
Eighteenth Century Collections Online / ECCO
2
Oxford Handbook Online
2
Anthropology Online
1
Edward Elgar eBook Archive
1
Making of the Modern World
1