Collection
Directory of Open Access Books
413
Springer eBooks 2005-
195
ACS Symposium Series
98
Springer Book Archives -2004
60
National Center for Biotechnology Information
57
ACS Advances in Chemistry
28
O'Reilly
28
Cambridge Books Online
10
Henry Stewart Talks
4
Oxford University Press
4
Eighteenth Century Collections Online / ECCO
3
DeGruyter MPG Collection
2
OAPEN
2
Elsevier ScienceDirect eBooks
1
JSTOR Open Access Books
1
MIT Press eBook Archive
1
Mohr Siebeck eBooks
1
Wiley Online Books
1