Collection
Springer Book Archives -2004
2,913
Springer eBooks 2005-
2,768
Directory of Open Access Books
1,184
Springer Lecture Notes Archiv 1964-1996
475
Cambridge Books Online
207
Eighteenth Century Collections Online / ECCO
142
Oxford University Press
100
Lecture Notes in Physics
90
DeGruyter MPG Collection
65
O'Reilly
51
Wiley Online Books
29
OAPEN
25
Elsevier eBook collection Mathematics
19
Elsevier ScienceDirect eBooks
17
Making of the Modern World
9
MIT Press eBook Archive
6
ACS Symposium Series
5
Oxford Handbook Online
5
JSTOR Open Access Books
4
ACS Advances in Chemistry
2
National Center for Biotechnology Information
2
Ethnographic Video Online Vol. 1
1
JSTOR Books
1
Wiley Reference Works
1