translated by Arnold J. Toynbee
A Mentor Books, 1957
Buku Teks
P. F. Collier & Son Corporation, 1959 ; 1969
Buku Referensi
P. F. Collier & Son Corporation, 1969
Buku Teks
Eckhardt, Homer
McGraw-Hill , 1998
Buku Teks
editor in chief, Mortimer J. Adler
Encyclopaedia Britannica, Inc., 1996
Buku Referensi