Hearnshaw, F.J.C., author
G.G. Harrap, 1940
Buku Teks
Odom, William E., author
Yale University Press, 2004
Buku Teks
Rives, James B., author
Blackwell, 2007
Buku Teks
Hall, Walter Phelps, author
Ginn and Company, 1953
Buku Teks
Masefield, Muriel, author
G. Bell and Sons, 1954
Buku Teks