Collection
Directory of Open Access Books
145
Springer eBooks 2005-
140
O'Reilly
35
OAPEN
21
JSTOR Open Access Books
14
Cambridge Books Online
3
Digi20
2
Netlibrary
2
Bloomsbury Education and Childhood Studies
1
DeGruyter MPG Collection
1
Editoria Italiana Online
1
Edward Elgar eBook Archive
1
Ethnographic Video Online Vol. 1
1
Oxford University Press
1