Collection
Springer Book Archives -2004
1,891
Springer eBooks 2005-
1,454
DeGruyter MPG Collection
74
Elsevier eBook collection Mathematics
64
O'Reilly
57
Cambridge Books Online
54
Directory of Open Access Books
38
MIT Press eBook Archive
5
Oxford University Press
5
OAPEN
4
Eighteenth Century Collections Online / ECCO
3
Elsevier ScienceDirect eBooks
3
Wiley Online Books
2
ACS Advances in Chemistry
1
Edward Elgar eBook Archive
1
Emerald Business, Management and Economics eBook Collection Archive
1
Springer Lecture Notes Archiv 1964-1996
1