Collection
Springer eBooks 2005-
291
Directory of Open Access Books
110
World Bank E-Library Archive
38
OAPEN
12
Bloomsbury Education and Childhood Studies
10
National Center for Biotechnology Information
10
JSTOR Open Access Books
9
Eighteenth Century Collections Online / ECCO
6
Springer Book Archives -2004
6
Oxford University Press
3
Henry Stewart Talks
2
ACS Symposium Series
1
MIT Press eBook Archive
1
Making of the Modern World
1
O'Reilly
1
Oxford Handbook Online
1