Collection
Eighteenth Century Collections Online / ECCO
329
O'Reilly
96
Springer Book Archives -2004
93
Springer eBooks 2005-
73
Cambridge Books Online
14
Making of the Modern World
14
Making of Modern Law / Legal Treatises
5
DeGruyter MPG Collection
4
Directory of Open Access Books
3
Edward Elgar eBook Archive
3
Edward Elgar eBooks Collection Business & Economics
2
JSTOR Open Access Books
2
Emerald Business, Management and Economics eBook Collection Archive
1
International Monetary Fund
1
National Center for Biotechnology Information
1
OAPEN
1
Oxford University Press
1
Springer Lecture Notes Archiv 1964-1996
1
Springer Protocols Archive 1981-2004
1