Collection
Springer eBooks 2005-
1,144
Springer Book Archives -2004
363
O'Reilly
290
Directory of Open Access Books
92
Emerald Business, Management and Economics eBook Collection Archive
86
World Bank E-Library Archive
10
OAPEN
9
Oxford University Press
7
Editoria Italiana Online
3
JSTOR Open Access Books
3
Making of the Modern World
2
National Center for Biotechnology Information
2