'An open letter to the Prime Minister' from C.J. Crough, H.C. Coombs and D.A.M. Lea of the North Australia Research Unity (NARU), ANU, published in Civil Liberty, October 1993 Box 58 Unit ID: 8_5 Date: October 1993
'An open letter to the Prime Minister' from C.J. Crough, H.C. Coombs and D.A.M. Lea of the North Australia Research Unity (NARU), ANU, published in Civil Liberty, October 1993 Box 82 Unit ID: [unnumbered] Date: October 1993
ANU Council's farewell dinner for Coombs - retirement as Chancellor, 13 May 1976 Box 30 Unit ID: 254 Date: 13 May 1976
ANU Council's farewell dinner for Dr and Mrs Coombs, 13 May 1976 Box 27 Unit ID: 226 Date: 13 May 1976
ANU News - installation of Dr H. C. Coombs as Chancellor, 6 September 1968 Box 29 Unit ID: 238 Date: 6 September 1968