Smith, Andrew 1833. Extracts from a letter by A. Smith, dated at Port Elizabeth, 22 December 1832, to Mr. Yarrell. Proceedings of the Zoological Society of London (for 9 April 1833) 1 (no.4): 45.
Extracts from a letter by A. Smith, dated at Port Elizabeth, 22 December 1832, to Mr. Yarrell