Collection
Springer eBooks 2005-
422
Springer Book Archives -2004
104
National Center for Biotechnology Information
38
Directory of Open Access Books
29
JSTOR Open Access Books
3
Cambridge Books Online
2
Emerald Business, Management and Economics eBook Collection Archive
2
Karger eBooks Collection 1997-2013
2
O'Reilly
2
OAPEN
2
Springer Protocols Archive 1981-2004
2
Edward Elgar eBooks Collection Business & Economics
1
World Bank E-Library Archive
1