Collection
Springer eBooks 2005-
281
Springer Book Archives -2004
64
Directory of Open Access Books
10
World Bank E-Library Archive
7
O'Reilly
4
Oxford University Press
4
OAPEN
3
ACS Symposium Series
2
Cambridge Books Online
2
JSTOR Open Access Books
2
Brill Nijhoff E-Books Collections 2006-2008
1
Brill Nijhoff E-Books Collections 2009-2014
1
Digi20
1
Editoria Italiana Online
1
Emerald Business, Management and Economics eBook Collection Archive
1