Collection
Springer eBooks 2005-
460
Springer Book Archives -2004
449
Directory of Open Access Books
45
Elsevier ScienceDirect eBooks
14
ACS Symposium Series
13
O'Reilly
10
MIT Press eBook Archive
7
National Center for Biotechnology Information
5
Oxford University Press
5
DeGruyter MPG Collection
4
JSTOR Open Access Books
1
Springer Protocols Archive 1981-2004
1
Wiley Online Books
1