Collection
Springer eBooks 2005-
530
Springer Book Archives -2004
301
Nomos
22
Directory of Open Access Books
17
Springer Lecture Notes Archiv 1964-1996
13
Digi20
7
Cambridge Books Online
6
DeGruyter MPG Collection
5
Eighteenth Century Collections Online / ECCO
5
Lecture Notes in Computer Science
4
O'Reilly
4
Digitale Sammlung Privatrecht (MPIER)
3
JSTOR Open Access Books
3
OAPEN
3
Duncker & Humblot eBooks 2007-
2
Making of the Modern World
2
OECD Books and Papers
2
wiso-net eBooks
2
Edward Elgar eBook Archive
1
Music Online Reference
1