Collection
Directory of Open Access Books
1,680
Springer eBooks 2005-
766
O'Reilly
690
JSTOR Open Access Books
311
OAPEN
255
MIT Press eBook Archive
46
Cambridge Books Online
35
MIT Press Direct to Open
22
Henry Stewart Talks
14
DeGruyter MPG Collection
13
Edward Elgar eBooks Collection Business & Economics
12
Oxford University Press
6
Wiley Online Books
5
JSTOR Books
4
Bloomsbury Education and Childhood Studies
3
Standards and Norms (DIN Media)
3
Gale virtual reference library
1
Springer Book Archives -2004
1