Collection
Springer eBooks 2005-
2,572
Springer Book Archives -2004
259
Cambridge Books Online
29
Springer Lecture Notes Archiv 1964-1996
25
Lecture Notes in Computer Science
13
MIT Press eBook Archive
9
Directory of Open Access Books
3
O'Reilly
3
Elsevier eBook collection Mathematics
2
IEEE Conference Proceedings
2
OAPEN
2
Oxford University Press
2
Wiley Online Books
2
Edward Elgar eBooks Collection Business & Economics
1