Collection
O'Reilly
1,963
Springer eBooks 2005-
1,213
Springer Book Archives -2004
1,039
Eighteenth Century Collections Online / ECCO
116
Standards and Norms (DIN Media)
20
Elsevier ScienceDirect eBooks
4
MIT Press eBook Archive
3
DeGruyter MPG Collection
2
Emerald Business, Management and Economics eBook Collection Archive
2
Elsevier eBook collection Mathematics
1
Wiley Online Books
1