Collection
Directory of Open Access Books
53
DeGruyter MPG Collection
15
Oxford University Press
13
JSTOR Open Access Books
12
OAPEN
11
Cambridge Books Online
10
Empire Online
10
Netlibrary
2
Emerald Business, Management and Economics eBook Collection Archive
1
JSTOR Books
1
MIT Press eBook Archive
1
O'Reilly
1
Oxford Handbook Online
1
World Bank E-Library Archive
1