Wilber, Donald N.
Princeton University Press, 1955
Buku Teks
Frye, Richard N.
Henry Holt and Company, 1953
Buku Teks
Frye, Richard N.
Allen & Unwin , 1960
Buku Teks
Ghirshman, R.
Penguin Books, 1954
Buku Teks
Wilber, Donald N.
Princeton University Press, 1958
Buku Teks