Collection
Eighteenth Century Collections Online / ECCO
979
Springer eBooks 2005-
92
Directory of Open Access Books
85
Springer Book Archives -2004
76
JSTOR Open Access Books
47
Oxford University Press
37
OAPEN
23
Cambridge Books Online
22
Making of the Modern World
9
Oxford Handbook Online
9
DeGruyter MPG Collection
8
Digi20
4
MIT Press eBook Archive
4
Making of Modern Law / Legal Treatises
4
Netlibrary
3
O'Reilly
3
OECD Books and Papers
3
Bloomsbury Education and Childhood Studies
2
Edward Elgar eBooks Collection Business & Economics
2
National Center for Biotechnology Information
2
Brill Nijhoff E-Books Collections 2009-2014
1
Edward Elgar eBook Archive
1
Elsevier ScienceDirect eBooks
1
Elsevier eBook collection Mathematics
1
Mohr Siebeck eBooks
1