Collection
Springer eBooks 2005-
312
Springer Book Archives -2004
104
Directory of Open Access Books
34
World Bank E-Library Archive
7
Cambridge Books Online
6
Oxford University Press
5
JSTOR Open Access Books
4
OAPEN
4
Editoria Italiana Online
3
Elsevier Handbooks in Economics
2
MIT Press eBook Archive
1
Making of the Modern World
1
National Center for Biotechnology Information
1
O'Reilly
1
Oxford Handbook Online
1