Hadas, Moses
Time-Life Books, 1965
Buku Teks
Elton, Lord
Collins, 1945
Buku Teks
O`Connell, D. P.
The Law Book Company, 1971
Buku Teks
Loewe, Michael
Frederick A. Preager, 1965
Buku Teks
Mitchell, Richard H.
Princeton University Press, 1983
Buku Teks