Collection
Eighteenth Century Collections Online / ECCO
1,448
Directory of Open Access Books
1,386
Making of the Modern World
557
Digi20
503
Nomos
453
OAPEN
399
Springer Book Archives -2004
111
Springer eBooks 2005-
91
Ethnographic Video Online Vol. 1
64
Mohr Siebeck eBooks
42
Oxford University Press
41
Digital Karl Barth Library
27
Primary Sources for Slavic Studies
21
JSTOR Open Access Books
20
Oxford Handbook Online
14
National Center for Biotechnology Information
11
DeGruyter MPG Collection
8
Cambridge Books Online
2
Brill Online Reference Works
1
Editoria Italiana Online
1
Edward Elgar eBooks Collection Business & Economics
1
O'Reilly
1
beck-elibrary
1