• Die betekenis van diplomas en grade 

      Thom, Hendrik Bernardus, 1905-1983
      Address delivered in HB Thom's capacity as chancellor of Stellenbosch University at a graduation ceremony, 10 March 1983.
    • Oor gevorderde grade 

      Thom, Hendrik Bernardus, 1905-1983
      Address on advanced university degrees delivered at graduation ceremony, University of Pretoria, 12 September 1980.