Collection
Anthropology Online
1
Cambridge Books Online
16
DeGruyter MPG Collection
319
Digi20
148
Directory of Open Access Books
1,461
Editoria Italiana Online
3
Eighteenth Century Collections Online / ECCO
31
Elsevier eBook collection Mathematics
1
Ethnographic Video Online Vol. 1
1
JSTOR Open Access Books
11
MIT Press eBook Archive
13
Mohr Siebeck eBooks
1
National Center for Biotechnology Information
2
Nomos
4
O'Reilly
4
OAPEN
326
Oxford Handbook Online
9
Oxford University Press
8
Springer Book Archives -2004
227
Springer eBooks 2005-
218
Wiley Online Books
1