Collection
Nomos
601
wiso-net eBooks
136
Directory of Open Access Books
79
Digi20
20
OAPEN
19
DeGruyter MPG Collection
16
beck-elibrary
14
Mohr Siebeck eBooks
11
Duncker & Humblot eBooks 2007-
5
O'Reilly
5
Elsevier Handbooks in Economics
3
JSTOR Open Access Books
2
Brill Nijhoff E-Books Collections 2006-2008
1
Bundesanzeiger Vergabeportal
1
Social Theory (Alexander Street Press)
1