Collection
Directory of Open Access Books
2,978
Nomos
775
OAPEN
534
Digi20
365
National Center for Biotechnology Information
290
Making of the Modern World
168
Eighteenth Century Collections Online / ECCO
166
Springer Book Archives -2004
157
Mohr Siebeck eBooks
147
Springer eBooks 2005-
125
DeGruyter MPG Collection
27
Edward Elgar eBooks Collection Business & Economics
17
JSTOR Open Access Books
10
Primary Sources for Slavic Studies
7
Ethnographic Video Online Vol. 1
3
Oxford University Press
3
Editoria Italiana Online
2
O'Reilly
2
Oxford Handbook Online
2
Cambridge Books Online
1
Duncker & Humblot Wirtschaftswissenschaften 1996-2005
1
Edward Elgar eBook Archive
1
JSTOR Books
1
MIT Press eBook Archive
1
Wiley Online Books
1