Collection
Directory of Open Access Books
214
Oxford University Press
18
Making of the Modern World
16
OAPEN
10
Editoria Italiana Online
8
ACS Symposium Series
6
Cambridge Books Online
5
Eighteenth Century Collections Online / ECCO
5
World Bank E-Library Archive
5
DeGruyter MPG Collection
4
JSTOR Open Access Books
4
Primary Sources for Slavic Studies
3
National Center for Biotechnology Information
2
O'Reilly
2
Oxford Handbook Online
2
ACS Advances in Chemistry
1
Edward Elgar eBook Archive
1
Elsevier ScienceDirect eBooks
1
Henry Stewart Talks
1
Wiley Online Books
1