Blondel, Maurice., 1861-1949
Press University de France, 1950
Buku Teks
Safa, Pierre
Libraire Generale de Droit, s.a.
Buku Teks
Farjat, Gerard
Editions Frison, 1999
Buku Teks
edited by Konrad Zweigert and Jan Kropholler
A.W. Sijthoff, [Date of publication not identified]
Buku Teks
Savelberg, M.M.L.
A.A.M. Stols, Editeur, 1946
Buku Teks