Duchet-Suchaux, Gaston
Flammarion, 1994
Buku Referensi
Palmer, Vance
Melbourne University Press, 1940
Buku Teks
Phaidon Press, 1945
Buku Referensi
Gor`kiy, Aleksey Maksimovich
Foreign Languages Publishing, [date of publication not identified]
Buku Teks
Farmer, David Hugh
Oxford University Press, 1992
Buku Referensi