Haley, Michael, author
Sweet and Maxwell, 2007
Buku Teks
Keeton, George W., 1902-1989, author
Sir Isaac Pitman and Sons, 1950
Buku Teks
Scott, Austin Wakeman, 1884-1981, author
Little, Brown, 1966
Buku Teks
Mennell, Robert L., author
West Publishing, 1994
Buku Teks
Hanbury, Harold Grenville, author
Steven and Sons, 1978
Buku Teks