Collection
Making of the Modern World
2,298
Eighteenth Century Collections Online / ECCO
1,013
OECD Books and Papers
807
Directory of Open Access Books
790
Springer eBooks 2005-
693
Springer Book Archives -2004
369
OAPEN
93
National Center for Biotechnology Information
15
World Bank E-Library Archive
15
Ethnographic Video Online Vol. 1
14
JSTOR Open Access Books
8
Digi20
7
Edward Elgar eBooks Collection Business & Economics
7
Oxford University Press
5
Primary Sources for Slavic Studies
4
ACS Symposium Series
2
DeGruyter MPG Collection
2
MIT Press eBook Archive
2
Wiley Online Books
2
Cambridge Books Online
1
Editoria Italiana Online
1
O'Reilly
1
Oxford Handbook Online
1