Collection
Eighteenth Century Collections Online / ECCO
194
Making of the Modern World
94
Springer eBooks 2005-
51
O'Reilly
43
Springer Book Archives -2004
42
Directory of Open Access Books
17
National Center for Biotechnology Information
6
Emerald Business, Management and Economics eBook Collection Archive
5
JSTOR Open Access Books
5
ACS Symposium Series
4
International Monetary Fund
4
RSC eBook Collection 1968-2009
3
World Bank E-Library Archive
3
Edward Elgar eBook Archive
2
Edward Elgar eBooks Collection Business & Economics
2
Oxford University Press
2
DeGruyter MPG Collection
1
Netlibrary
1