Collection
Springer Book Archives -2004
643
Springer eBooks 2005-
146
O'Reilly
103
Elsevier eBook collection Mathematics
17
Eighteenth Century Collections Online / ECCO
10
Cambridge Books Online
8
Elsevier ScienceDirect eBooks
6
DeGruyter MPG Collection
4
National Center for Biotechnology Information
4
Directory of Open Access Books
3
International Monetary Fund
2
JSTOR Open Access Books
2
Making of the Modern World
2
Edward Elgar eBook Archive
1
Edward Elgar eBooks Collection Business & Economics
1
RSC eBook Collection 1968-2009
1
World Bank E-Library Archive
1