Collection
Springer eBooks 2005-
2,524
Springer Book Archives -2004
2,161
Elsevier eBook collection Mathematics
277
Cambridge Books Online
249
DeGruyter MPG Collection
199
O'Reilly
62
Oxford University Press
19
Elsevier ScienceDirect eBooks
10
Wiley Online Books
2
Editoria Italiana Online
1
JSTOR Books
1
MIT Press eBook Archive
1