• SABRA-Kongres 

      Thom, Hendrik Bernardus, 1905-1983
      Opening address at a South African Bureau of Racial Affairs Congress, 29 April 1958, Stellenbosch.
    • Suid-Afrikaanse Buro vir Rasseaangeleenthede (SABRA) 

      Thom, Hendrik Bernardus, 1905-1983
      Lecture and lecture notes on the establishment of the South African Bureau of Racial Affairs, its role, meaning and the role of the Afrikaner Broederbond with regards to SABRA. Delivered in Bloemfontein, 10 November 1948.