Collection
Directory of Open Access Books
200
O'Reilly
136
Making of the Modern World
109
World Bank E-Library Archive
94
Springer eBooks 2005-
16
wiso-net eBooks
10
OAPEN
9
Edward Elgar eBook Archive
5
International Monetary Fund
3
Eighteenth Century Collections Online / ECCO
2
Cambridge Books Online
1
DeGruyter MPG Collection
1
Duncker & Humblot Wirtschaftswissenschaften 1996-2005
1
Springer Book Archives -2004
1