Fisher, H.A.L.
London, Baterworth, 1932
Buku Teks
Edwards, Heather M., 1947-, author
Scarecrow Press, 1990
Buku Teks
Thompson, James, author
Clive Bingley, 1987
Buku Teks
Thompson, James, author
Clive Bingley , 1987
Buku Teks
Morton, Leslie T. (Leslie Thomas), 1907-, editor
Clive Bingley, 1990
Buku Teks