Collection
Directory of Open Access Books
33
JSTOR Open Access Books
13
National Center for Biotechnology Information
9
Brill Nijhoff E-Books Collections 2006-2008
4
Cambridge Books Online
4
OAPEN
4
O'Reilly
3
Emerald Business, Management and Economics eBook Collection Archive
2
Brill Nijhoff E-Books Collections 2009-2014
1
Henry Stewart Talks
1
MIT Press eBook Archive
1
Oxford University Press
1
World Bank E-Library Archive
1