Viton, Albert, author
John Day Company, 1940
Buku Teks
Gibbon, Edward
J.MDent & Sons, 1957
Buku Teks
Gibbon, Edward
Oell Publishing, 1963.
Buku Teks
Gibbon, Edward
Random House , 1994
Buku Referensi
Gibbon, Edward, author
Random House, 1994
Buku Referensi