Collection
Making of the Modern World
2,298
OECD Books and Papers
807
Directory of Open Access Books
790
Springer eBooks 2005-
682
Springer Book Archives -2004
369
OAPEN
93
Eighteenth Century Collections Online / ECCO
35
World Bank E-Library Archive
15
Ethnographic Video Online Vol. 1
14
National Center for Biotechnology Information
10
Digi20
7
Oxford University Press
4
Primary Sources for Slavic Studies
4
JSTOR Open Access Books
3
ACS Symposium Series
2
MIT Press eBook Archive
2
Cambridge Books Online
1
DeGruyter MPG Collection
1
O'Reilly
1
Oxford Handbook Online
1