Bowra, C. M.
A Mentor Book, 1957
Buku Teks
Agard, Walter A.
Van Nostrand Company, 1957
Buku Teks
Croiset, Maurice
F. S. Crofts, 1951
Buku Teks
Hamilton, Edith
New American Library, 1951
Buku Teks SO
translation by Arnold J. Toynbee
A Mentor Book, 1953
Buku Teks