Collection
Springer eBooks 2005-
1,341
Directory of Open Access Books
493
Springer Book Archives -2004
437
ACS Symposium Series
83
Cambridge Books Online
60
O'Reilly
37
Eighteenth Century Collections Online / ECCO
16
Lecture Notes in Physics
16
National Center for Biotechnology Information
9
ACS Advances in Chemistry
8
DeGruyter MPG Collection
8
Elsevier eBook collection Mathematics
7
Henry Stewart Talks
6
Oxford University Press
6
Elsevier ScienceDirect eBooks
4
OAPEN
4
Making of the Modern World
2
Wiley Online Books
2
JSTOR Open Access Books
1
Lecture Notes in Mathematics
1
MIT Press eBook Archive
1
Netlibrary
1
Springer Lecture Notes Archiv 1964-1996
1
wiso-net eBooks
1