Collection
Springer Book Archives -2004
213
Springer eBooks 2005-
178
Directory of Open Access Books
33
Cambridge Books Online
20
DeGruyter MPG Collection
10
O'Reilly
10
JSTOR Open Access Books
9
Oxford University Press
8
Elsevier eBook collection Mathematics
5
OAPEN
5
Digi20
4
MIT Press eBook Archive
4
Elsevier ScienceDirect eBooks
2
Netlibrary
2
Springer Lecture Notes Archiv 1964-1996
2
Duncker & Humblot eBooks 2007-
1
Editoria Italiana Online
1
Emerald Business, Management and Economics eBook Collection Archive
1
National Center for Biotechnology Information
1
Oxford Handbook Online
1