Lewis, Mervyn Keith, author
Philip Allan , 1987
Buku Teks
Proctor, Charles, author
Oxford University Press, 2015
Buku Teks
edited by Benyamin Haggott Beckhart
Columbia Universary Press, 1954, 1956
Buku Teks
Holden, J. Milnes, author
Sir Isaac Pitman & Sons, 1960
Buku Teks
Sayers, R.S., author
Clarendon Press, 1958
Buku Teks