References
- Legassick, M.C. 2010. The Politics of a South African Frontier: The Griqua, the Sotho-Tswana and the Missionaries, 1780–1840. Basel: Basler Afrika Bibliographien.
- Penn, N. 2005. The Forgotten Frontier: Colonist and Khoisan on the Cape’s Northern Frontier in the 18th Century. Cape Town: Double Storey Books.
- Shillington, K. 2011. Luka Jantjie: Resistance Hero of the South African Frontier. Johannesburg: Wits University Press.