Collection
Directory of Open Access Books
433
Making of the Modern World
252
Nomos
87
OAPEN
62
Springer Book Archives -2004
60
Springer eBooks 2005-
60
Cambridge Books Online
4
Eighteenth Century Collections Online / ECCO
2
JSTOR Open Access Books
2
National Center for Biotechnology Information
2
World Bank E-Library Archive
2
Brill Nijhoff E-Books Collections 2006-2008
1