Published in Annals S Afr Mus, in 1976, in volume 69, pages 261-323
Published in Annals S Afr Mus, in 1976, in volume 69, pages 325-353
Published in Annals S Afr Mus, in 1976, in volume 72, pages 1-10
Published in Annals S Afr Mus, in 1976, in volume 72, issue 2, pages 11-35