Published in Annals of the Cape Provincial Museum, in 1967, in volume 6, issue 2, pages 17-37
Published in Annals of the Cape Provincial Museum, in 1967, in volume 6, issue 3, pages 39-46
Published in Annals of the Cape Provincial Museum, in 1967, in volume 6, issue 4, pages 47-54
Published in Annals of the Cape Provincial Museum, in 1967, in volume 6, issue 5, pages 55-62