Hay, Denys
London Methuen & Co 1953
Buku Teks
Gibbon, Edward
Oell Publishing, 1963.
Buku Teks
Holmes, Thomas Rice
Clarendon, 1923
Buku Teks
Picard, Gilbert
Benedikt Taschen, [date of publication not identified]
Buku Teks
Gibbon, Edward
Random House , 1994
Buku Referensi