Collection
Bloomsbury Education and Childhood Studies
1
Cambridge Books Online
7
DeGruyter MPG Collection
5
Digi20
13
Directory of Open Access Books
31
Duncker & Humblot eBooks 2007-
1
Editoria Italiana Online
1
JSTOR Open Access Books
11
MIT Press eBook Archive
1
Nomos
26
O'Reilly
1
OAPEN
13
Oxford University Press
1
Springer Book Archives -2004
28
Springer eBooks 2005-
59