Collection
Directory of Open Access Books
741
Springer eBooks 2005-
72
ACS Symposium Series
62
National Center for Biotechnology Information
40
O'Reilly
25
Eighteenth Century Collections Online / ECCO
23
Springer Book Archives -2004
10
ACS Advances in Chemistry
9
Making of Modern Law / Legal Treatises
8
Henry Stewart Talks
7
Making of the Modern World
7
JSTOR Open Access Books
4
Netlibrary
4
Digi20
3
Elsevier eBook collection Mathematics
2
Lecture Notes in Physics
2
OAPEN
2
World Bank E-Library Archive
2
Editoria Italiana Online
1
Karger eBooks Collection 1997-2013
1
MIT Press eBook Archive
1
Oxford University Press
1