Collection
OECD Books and Papers
151
Directory of Open Access Books
99
Making of the Modern World
48
Eighteenth Century Collections Online / ECCO
47
World Bank E-Library Archive
31
OAPEN
18
Digi20
16
International Monetary Fund
14
Primary Sources for Slavic Studies
14
Oxford University Press
13
JSTOR Open Access Books
8
Cambridge Books Online
6
Netlibrary
3
Nomos
3
Brill Nijhoff E-Books Collections 2009-2014
2
DeGruyter MPG Collection
2
ACS Symposium Series
1
Editoria Italiana Online
1
MIT Press eBook Archive
1
Making of Modern Law / Legal Treatises
1
Social Theory (Alexander Street Press)
1