Collection
Directory of Open Access Books
153
Springer eBooks 2005-
42
O'Reilly
28
National Center for Biotechnology Information
11
Springer Book Archives -2004
9
OAPEN
8
JSTOR Open Access Books
4
DeGruyter MPG Collection
2
Eighteenth Century Collections Online / ECCO
2
Elsevier eBook collection Mathematics
1
Ethnographic Video Online Vol. 1
1
JSTOR Books
1
MIT Press eBook Archive
1
Making of the Modern World
1