Bowle, John
J. Cape, 1947
Buku Teks
Sharma, R.P.
Sterling Publishers Private, 1984
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks
Ebenstein, William
Holt, Rinehart and Winston, 1962
Buku Teks
Wanlass, Lawrence C.
Appleton-Century-Crofts, 1953
Buku Teks