Masefield, Muriel
G. Bell and Sons, 1954
Buku Teks SO
Larson, Laurence M.
Holt , 1926
Buku Teks SO
Hall, Walter Phelps
Ginn and Company, 1953
Buku Teks SO
Griffiths, Percival, Sir, 1899-
Ernest Benn, 1969
Buku Teks
Williams, Basil
Oxford University, 1945
Buku Klasik