Collection
Springer Book Archives -2004
147
Directory of Open Access Books
102
Springer eBooks 2005-
64
World Bank E-Library Archive
63
ACS Symposium Series
56
National Center for Biotechnology Information
46
ACS Advances in Chemistry
12
MIT Press eBook Archive
7
Making of the Modern World
4
Eighteenth Century Collections Online / ECCO
3
O'Reilly
3
Cambridge Books Online
2
Henry Stewart Talks
2
Oxford University Press
2
Anthropology Online
1
Brill Nijhoff E-Books Collections 2006-2008
1
International Monetary Fund
1
JSTOR Open Access Books
1