Collection
Springer Book Archives -2004
82
Springer eBooks 2005-
72
Directory of Open Access Books
46
Eighteenth Century Collections Online / ECCO
17
OAPEN
5
Springer Lecture Notes Archiv 1964-1996
4
ACS Symposium Series
2
Cambridge Books Online
2
National Center for Biotechnology Information
2
Edward Elgar eBook Archive
1
Edward Elgar eBooks Collection Business & Economics
1
JSTOR Open Access Books
1
Oxford University Press
1