Quennell, Peter, editor
New York The Viking Press 1941
Buku Teks
Instituto Poligrafico dello Stato, 1974
Buku Teks
Bethcherman, Lita-Rose
Fitzhenry & Whiteside, 1975
Buku Teks
Presidency of the Council of Ministers of the Republic of Italy, Information Service, 1962
Buku Teks
Albrecht-Carrie, Rene
Columbia University Press, 1950
Buku Teks