Inaugural address at the commissioning of the radio telescope at Fleurs, July 1972 Unit ID: 14 Date: July 1972
Lecture given to the Research School of Chemistry, A. N. U. Canberra, 1975, on 'Australia's science policy' Unit ID: 20
Notes for address at the official opening of the Sacred Heart Senior College, Mt. Clear, Victoria, April 1968 Unit ID: 5 Date: April 1968
Notes for address given to Conferring of Degrees' Ceremony, University of Queensland, April 1972 Unit ID: 13 Date: April 1972