Collection
Springer Book Archives -2004
103
Springer eBooks 2005-
89
Making of the Modern World
48
Springer Lecture Notes Archiv 1964-1996
21
Eighteenth Century Collections Online / ECCO
15
Directory of Open Access Books
14
Cambridge Books Online
13
OECD Books and Papers
4
DeGruyter MPG Collection
3
Digi20
3
OAPEN
3
Brill Nijhoff E-Books Collections 2009-2014
2
Nomos
2
Brill Nijhoff E-Books Collections 2006-2008
1
Digitale Sammlung Privatrecht (MPIER)
1
JSTOR Open Access Books
1
Lecture Notes in Computer Science
1
O'Reilly
1
Primary Sources for Slavic Studies
1