Collection
Eighteenth Century Collections Online / ECCO
1,923
Directory of Open Access Books
634
Springer eBooks 2005-
309
Making of the Modern World
298
O'Reilly
242
National Center for Biotechnology Information
158
Oxford University Press
147
Springer Book Archives -2004
146
OAPEN
126
Digi20
64
Cambridge Books Online
34
MIT Press eBook Archive
20
DeGruyter MPG Collection
10
Ethnographic Video Online Vol. 1
9
Editoria Italiana Online
7
JSTOR Open Access Books
7
Emerald Business, Management and Economics eBook Collection Archive
6
Oxford Handbook Online
5
Nomos
2
Edward Elgar eBook Archive
1
Edward Elgar eBooks Collection Business & Economics
1