Collection
Directory of Open Access Books
262
National Center for Biotechnology Information
171
Springer eBooks 2005-
82
Henry Stewart Talks
55
O'Reilly
32
World Bank E-Library Archive
31
ACS Symposium Series
12
Elsevier ScienceDirect eBooks
7
Cambridge Books Online
4
Springer Book Archives -2004
4
MIT Press eBook Archive
2
OAPEN
2
International Monetary Fund
1
JSTOR Open Access Books
1
Karger eBooks Collection 1997-2013
1
Oxford University Press
1