Collection
O'Reilly
345
Springer Book Archives -2004
263
Springer eBooks 2005-
181
IEEE Conference Proceedings
63
Directory of Open Access Books
38
Lecture Notes in Computer Science
23
ACS Symposium Series
10
MIT Press eBook Archive
5
OAPEN
4
Elsevier ScienceDirect eBooks
3
Springer Lecture Notes Archiv 1964-1996
3
Henry Stewart Talks
2
ACS Advances in Chemistry
1
Cambridge Books Online
1
Editoria Italiana Online
1
Elsevier eBook collection Mathematics
1
SPIE Conference Proceedings
1
Wiley Online Books
1