The Polo Encyclopedia, 2d Ed.:
Horace A. Laffaye
Manawatu Allan Strang, Ritchie Abraham, Walter Strang, Jack Strang (A.C.
McDonnell) Manawatu Allan Strang, Ritchie ... Oswald Nelson, Harold Russell,
William C.A. Mackenzie Hawke's Bay C. Bennett, Oswald Nelson, Andrew
Hamilton ...