Collection
O'Reilly
1,055
Directory of Open Access Books
341
Springer eBooks 2005-
218
National Center for Biotechnology Information
28
OAPEN
26
JSTOR Open Access Books
25
Eighteenth Century Collections Online / ECCO
13
Springer Book Archives -2004
8
Making of the Modern World
6
Cambridge Books Online
5
DeGruyter MPG Collection
5
World Bank E-Library Archive
4
ACS Symposium Series
3
Bloomsbury Education and Childhood Studies
2
Elsevier eBook collection Mathematics
2
Henry Stewart Talks
2
International Monetary Fund
2
Making of Modern Law / Legal Treatises
2
Oxford Handbook Online
2
Digi20
1
Oxford University Press
1