Presidency of the Council of Ministers of the Republic of Italy, Information Service, 1962
Buku Teks
Instituto Poligrafico dello Stato, 1974
Buku Teks
Durant, Will, author
Simon and Schuster, 1953
Buku Teks
Burckhardt, Jacob, author
Harper Torchbooks, 1968
Buku Teks
Burckhardt, Jacob, author
Harper & Row Publisher, 1958.
Buku Teks