Collection
Directory of Open Access Books
223
OECD Books and Papers
174
Springer eBooks 2005-
23
OAPEN
10
Springer Book Archives -2004
7
JSTOR Open Access Books
4
ACS Symposium Series
2
Edward Elgar eBook Archive
2
MIT Press eBook Archive
2
DeGruyter MPG Collection
1
Emerald Business, Management and Economics eBook Collection Archive
1
National Center for Biotechnology Information
1
O'Reilly
1
World Bank E-Library Archive
1