Cowan, J. 'Famous New Zealanders, No 1: Pathfinders in Fiordland: the hermit of Milford and the discoverer of McKinnon's Pass'. New Zealand Railways Magazine 7, No 9 (1933): 25–28

Ede, J. Mountain men of Milford. Christchurch, 1988

Hall-Jones, J. Early Fiordland. Wellington, 1968

McClymont, W. G. The exploration of New Zealand. Wellington, 1940

Parham, W. T. The life-style of Donald Sutherland of Milford Sound. Whakatane, 1977