Palmer, Vance, author
Longman Cheshire, 1981
Buku Teks
Eldershaw, M. Barnard.
Harcourt, Brace and company, 1929
Buku Teks
Hardy, Frank
Gold Star Publication, 1971
Buku Teks
Astley, Thea, author
Angus and Robertson, 1960
Buku Teks
Mckie, Ronald, author
William Collins, 1974
Koleksi Publik