• Prof. dr. I.D. Bosman : oorl. 16 Maart 1947 

      Thom, Hendrik Bernardus, 1905-1983
      Article on the death of Dr ID Bosman, 16 March 1947, delivered as a speech at an annual meeting of the Suid-Afrikaanse Akademie vir Wetenskap en Kuns, 25 July 1947.