O`Casey, Sean
Macmillan, 1973
Buku Teks SO
Foreign Languages Publishing, [date of publication not identified]
Buku Teks SO
Anderson, Maxwell
Harcout, Brace, 1926
Buku Teks SO
Hibberd, Jack
Globe, 1983
Buku Teks SO
edited by Alrene Sykes
Penguin Books, 1986
Buku Teks SO