Duncan, MacGillivray
Blackie & Son, 1929
Buku Teks
Mackie, J.D. (John Duncan), 1887-, author
Clarendon Press, [1972]
Buku Teks
Myers, Alec Reginald, author
Penguin Books, 1952
Buku Teks
Powell, Ken, author
Macmillan Press, 1977
Buku Teks
Petrie, Charles, Sir
Erye & Spottiswoode, 1958
Buku Teks