Collection
National Center for Biotechnology Information
9,013
Eighteenth Century Collections Online / ECCO
6,088
Directory of Open Access Books
5,558
Springer Book Archives -2004
4,032
Springer eBooks 2005-
3,948
OECD Books and Papers
2,517
Karger eBooks Collection 1997-2013
545
Nomos
396
Making of the Modern World
224
OAPEN
201
O'Reilly
183
JSTOR Open Access Books
44
Digi20
42
Karger eBooks Collection 1997-2009
41
Wiley Online Books
25
Ethnographic Video Online Vol. 1
22
Cambridge Books Online
20
Mohr Siebeck eBooks
17
ACS Symposium Series
15
Oxford University Press
15
Editoria Italiana Online
13
Edward Elgar eBooks Collection Business & Economics
13
MIT Press eBook Archive
11
DeGruyter MPG Collection
8
Standards and Norms (DIN Media)
7
Emerald Business, Management and Economics eBook Collection Archive
5
Edward Elgar eBook Archive
4
Elsevier ScienceDirect eBooks
3
Oxford Handbook Online
3
Primary Sources for Slavic Studies
3
ACS Advances in Chemistry
2
beck-elibrary
2
Anthropology Online
1
Elsevier eBook collection Mathematics
1
JSTOR Books
1