'The future is in the air'. Address delivered to the Constitutional Club, Brisbane, 16 October 1941. (14p.) Unit ID: 12
'The future of air transport; what part will Australia play? Dangers of inter-empire competition'. Sydney, 25 August 1944. (5p.) Unit ID: 18
The inaugural Sir Ross and Sir Keith Smith Memorial Lecture. 10 December 1919. 'The Ross and Keith Smith flight to Australia', delivered at the Adelaide Boys High School, West Terrace, Adelaide, SA, 28 April 1958. The Royal Aeronautical Society, Adelaide Branch, 1958. (27p.) Unit ID: 54
'Tourism as a business and human need'. Speech made at the ANTA dinner, Canberra, 9 February 1957. Qantas Empire Airways. (4p.) Unit ID: 49