selected and edited by Robert S. Summers
Basil Blackwell, 1971
Buku Teks
Bodenheimer, Edgar
Harvard University Press, 1976
Buku Teks
Dentreves, A.P.
Hutchinson`s University Library, 1951
Buku Teks
Kelsen, Hans
Alumni, 1982
Buku Teks
Kelsen, Hans
Alumni, 2006
Buku Teks