Collection
International Monetary Fund
429
World Bank E-Library Archive
80
Directory of Open Access Books
55
Safari Tech Books Online
20
JSTOR Open Access Books
15
Cambridge Books Online
12
Edward Elgar eBooks Archive 1993-2015
11
Oxford University Press
8
Eighteenth Century Collections Online / ECCO
5
ACS Symposium Series
4
OAPEN
4
Elsevier ScienceDirect eBooks
2
Henry Stewart Talks
2
Netlibrary
2
DeGruyter MPG Collection
1
Editoria Italiana Online
1
RSC eBook Collection 1968-2009
1