Collection
O'Reilly
387
Directory of Open Access Books
222
Springer Book Archives -2004
149
SPIE Conference Proceedings
135
Springer eBooks 2005-
76
Eighteenth Century Collections Online / ECCO
19
Wiley Online Books
7
OAPEN
2
Edward Elgar eBook Archive
1
Edward Elgar eBooks Collection Business & Economics
1
JSTOR Open Access Books
1
Making of the Modern World
1
National Center for Biotechnology Information
1