Collection
National Center for Biotechnology Information
75
Directory of Open Access Books
21
Springer eBooks 2005-
20
Springer Book Archives -2004
12
OECD Books and Papers
5
JSTOR Open Access Books
4
O'Reilly
3
Nomos
2
Edward Elgar eBooks Collection Business & Economics
1
Elsevier ScienceDirect eBooks
1
OAPEN
1
Oxford University Press
1