A practice with Wynand SMIT and Ben Wynand VILJOEN as the partners. In 1959 the address of the firm was given as 405-9 Transvalia Building, Central Street, Pretoria. CS DANEEL later joined the firm and the name was changed to DANEEL SMIT & VILJOEN.
All truncated references not fully cited in 'References' are those of Joanna Walker's original text and cited in full in the 'Bibliography' entry of the Lexicon.