Collection
Directory of Open Access Books
64
World Bank E-Library Archive
41
OECD Books and Papers
33
Edward Elgar eBook Archive
14
OAPEN
10
O'Reilly
7
Duncker & Humblot Wirtschaftswissenschaften 1996-2005
4
Cambridge Books Online
3
Edward Elgar eBooks Collection Business & Economics
2
Springer eBooks 2005-
2
Nomos
1
Springer Book Archives -2004
1