Collection
DeGruyter MPG Collection
2
Eighteenth Century Collections Online / ECCO
116
Elsevier ScienceDirect eBooks
4
Elsevier eBook collection Mathematics
1
Emerald Business, Management and Economics eBook Collection Archive
2
MIT Press eBook Archive
2
O'Reilly
1,946
Springer Book Archives -2004
1,045
Springer eBooks 2005-
1,190
Standards and Norms (DIN Media)
20
Wiley Online Books
1