Collection
Making of the Modern World
240
Springer Book Archives -2004
80
Eighteenth Century Collections Online / ECCO
52
Directory of Open Access Books
15
Springer eBooks 2005-
15
O'Reilly
8
World Bank E-Library Archive
8
ACS Symposium Series
4
Cambridge Books Online
3
ACS Advances in Chemistry
2
Editoria Italiana Online
2
JSTOR Open Access Books
2
Making of Modern Law / Legal Treatises
1