Collection
Springer eBooks 2005-
222
Springer Book Archives -2004
197
Directory of Open Access Books
16
O'Reilly
7
Cambridge Books Online
5
JSTOR Open Access Books
3
Wiley Online Books
3
National Center for Biotechnology Information
2
Edward Elgar eBooks Collection Business & Economics
1
Elsevier ScienceDirect eBooks
1
JSTOR Books
1
MIT Press eBook Archive
1
Making of the Modern World
1
OAPEN
1
Oxford University Press
1
RSC eBook Collection 1968-2009
1