Collection
ACS Symposium Series
5
Cambridge Books Online
2
DeGruyter MPG Collection
2
Directory of Open Access Books
8
Editoria Italiana Online
1
Eighteenth Century Collections Online / ECCO
6
Elsevier eBook collection Mathematics
1
JSTOR Open Access Books
5
MIT Press eBook Archive
1
Making of the Modern World
3
O'Reilly
5
OAPEN
1
Oxford University Press
2
Springer Book Archives -2004
142
Springer eBooks 2005-
555
World Bank E-Library Archive
1