Smith, Andrew 1939. The diary of Dr. Andrew Smith, director of the ‘Expedition for exploring Central Africa’, 1834-1836. Edited by Percival R. Kirby. Cape Town, Van Riebeeck Society, Works vol. 20, 21. vol. 1 (1939), pp. i, 1-413, pls. 1-32; vol. 2 (1940), pp. 1, 1-2, 1-342, pls. 1-30, map 1.