Collection
Directory of Open Access Books
214
Making of Modern Law / Legal Treatises
59
Elsevier eBook collection Mathematics
19
ACS Symposium Series
12
World Bank E-Library Archive
11
Eighteenth Century Collections Online / ECCO
9
Making of the Modern World
8
DeGruyter MPG Collection
6
O'Reilly
6
Cambridge Books Online
5
International Monetary Fund
4
Oxford University Press
4
wiso-net eBooks
4
Empire Online
2
National Center for Biotechnology Information
2
OAPEN
2
ACS Advances in Chemistry
1
Brill Nijhoff E-Books Collections 2006-2008
1
Brill Nijhoff E-Books Collections 2009-2014
1
Duncker & Humblot eBooks 2007-
1
JSTOR Open Access Books
1
MIT Press eBook Archive
1
Wiley Online Books
1