Collection
Springer eBooks 2005-
476
Directory of Open Access Books
294
Springer Book Archives -2004
241
Henry Stewart Talks
221
National Center for Biotechnology Information
189
Karger eBooks Collection 1997-2013
27
ACS Symposium Series
15
World Bank E-Library Archive
15
Oxford University Press
7
O'Reilly
6
OAPEN
6
Eighteenth Century Collections Online / ECCO
5
Making of the Modern World
4
ACS Advances in Chemistry
3
JSTOR Open Access Books
3
DeGruyter MPG Collection
2
MIT Press eBook Archive
2
Cambridge Books Online
1
Editoria Italiana Online
1
Elsevier ScienceDirect eBooks
1