Collection
Directory of Open Access Books
266
O'Reilly
176
World Bank E-Library Archive
106
International Monetary Fund
53
ACS Symposium Series
27
Emerald Business, Management and Economics eBook Collection Archive
26
Eighteenth Century Collections Online / ECCO
22
Cambridge Books Online
16
MIT Press eBook Archive
15
Oxford University Press
13
National Center for Biotechnology Information
12
Edward Elgar eBook Archive
11
DeGruyter MPG Collection
7
OAPEN
7
ACS Advances in Chemistry
6
Making of the Modern World
6
JSTOR Open Access Books
5
Netlibrary
3
Wiley Online Books
3
Elsevier Handbooks in Economics
2
Elsevier ScienceDirect eBooks
2
Henry Stewart Talks
2
Oxford Handbook Online
2
Anthropology Online
1
Digi20
1
Edward Elgar eBooks Collection Business & Economics
1
MIT Press Direct to Open
1
Making of Modern Law / Legal Treatises
1
Primary Sources for Slavic Studies
1
wiso-net eBooks
1