Collection
Eighteenth Century Collections Online / ECCO
161
JSTOR Open Access Books
78
Springer Book Archives -2004
41
Springer eBooks 2005-
33
Making of the Modern World
18
National Center for Biotechnology Information
8
Oxford University Press
5
ACS Advances in Chemistry
4
Directory of Open Access Books
3
Oxford Handbook Online
3
ACS Symposium Series
2
Cambridge Books Online
2
Digi20
2
Editoria Italiana Online
2
Henry Stewart Talks
1
JSTOR Books
1
Netlibrary
1
OAPEN
1
Wiley Online Books
1