Collection
Directory of Open Access Books
252
OECD Books and Papers
212
Springer eBooks 2005-
139
Springer Book Archives -2004
37
OAPEN
10
O'Reilly
9
JSTOR Open Access Books
7
Cambridge Books Online
3
DeGruyter MPG Collection
3
Emerald Business, Management and Economics eBook Collection Archive
3
National Center for Biotechnology Information
3
Edward Elgar eBook Archive
1