1. Stokes, J.L., Discoveries in Australia, Volume 2 (T. and W. Boone, London, 1846; reproduced by the Libraries Board of South Australia, Adelaide, 1969), pp. 270-71.

2. Queenslander, 19 March 1887, p. 460 and 9 March 1889, p. 451; Knight, J.J., In the Early Days: History and Incident of Pioneer Queensland (Sapsford and Co., Brisbane, 1895), p. 7; Entry in Queensland Museum donor register; Annual Report of the Trustees of the Queensland Museum [for the year 1889], Votes and Proceedings, Legislative Assembly of Queensland (hereafter V&P) 1890, vol. 3, p. 1107.

3. Saenger, P. and Stubbs, B.J., 'The Investigator Tree: A natural historic monument,' Proceedings of the Royal Society of Queensland 104, 1994, pp. 67-78.

4. Reed, A.W., Place Names of Australia (Reed, Sydney, 1973).

5. Several writers including Pennefather have said that the year 1802 appears on the tree with the name Investigator, but this cannot be substantiated. In fact, it seems unlikely. C. Pennefather, 'Capt. Pennefather's report upon explorations in the Gulf of Carpentaria, and surveys in the vicinity of Point Parker', V&P 1880, vol. 2, pp. 1127-9.