Collection
Springer eBooks 2005-
940
Springer Book Archives -2004
561
Directory of Open Access Books
151
Cambridge Books Online
107
Oxford University Press
58
Elsevier eBook collection Mathematics
13
DeGruyter MPG Collection
12
O'Reilly
11
OAPEN
9
ACS Symposium Series
4
Elsevier ScienceDirect eBooks
4
MIT Press eBook Archive
4
Wiley Online Books
3
JSTOR Open Access Books
2
Eighteenth Century Collections Online / ECCO
1
Oxford Handbook Online
1