Collection
Eighteenth Century Collections Online / ECCO
25
JSTOR Open Access Books
8
Oxford University Press
6
Making of the Modern World
5
Directory of Open Access Books
4
Cambridge Books Online
2
MIT Press eBook Archive
2
O'Reilly
2
World Bank E-Library Archive
2
Brill Nijhoff E-Books Collections 2009-2014
1
Empire Online
1
Oxford Handbook Online
1