Collection
Springer Book Archives -2004
1,331
Springer eBooks 2005-
989
Cambridge Books Online
340
DeGruyter MPG Collection
150
Elsevier eBook collection Mathematics
133
O'Reilly
43
Oxford University Press
12
Elsevier ScienceDirect eBooks
3
JSTOR Open Access Books
2
Wiley Online Books
2
Editoria Italiana Online
1
JSTOR Books
1
MIT Press eBook Archive
1
Oxford Handbook Online
1