Collection
Springer eBooks 2005-
462
Springer Book Archives -2004
352
O'Reilly
141
Directory of Open Access Books
85
Wiley Online Books
8
ACS Symposium Series
5
RSC eBook Collection 1968-2009
4
MIT Press eBook Archive
3
Elsevier ScienceDirect eBooks
2
Oxford University Press
2
Cambridge Books Online
1
DeGruyter MPG Collection
1