He whakaaturanga anō
Gilbert, H. E. Personal file. N.Z. Defence Force Headquarters, Wellington.
MacDonald, D. ‘It can be lonely on top of the security tree’. Evening Post. 17 July 1976: 8
Obit. New Zealand Herald. 29 Sept. 1987: 9
Parker, M. The SIS. Palmerston North, 1979