Collection
Springer eBooks 2005-
3,557
Springer Book Archives -2004
2,858
DeGruyter MPG Collection
239
Cambridge Books Online
210
Directory of Open Access Books
67
Elsevier eBook collection Mathematics
53
Lecture Notes in Physics
36
Springer Lecture Notes Archiv 1964-1996
24
O'Reilly
22
Lecture Notes in Mathematics
14
OAPEN
13
Elsevier ScienceDirect eBooks
9
Oxford University Press
8
Lecture Notes in Computer Science
5
Wiley Online Books
5
Eighteenth Century Collections Online / ECCO
2
JSTOR Open Access Books
2
Netlibrary
2
Int. tables for crystallography
1
MIT Press eBook Archive
1
National Center for Biotechnology Information
1
Oxford Handbook Online
1