Wyld, James, 1812-1887. Map of the country from Algoa Bay to the Great Kei River, Cape of Good Hope : being the eastern frontier and the country of the adjacent kaffirs compiled under the direction of Lieut. Colonel Piper, comg. Royal Engr., from the original surveys in the Royal Engineer Office, Cape Town, and other documents furnished by the Surveyor General's Department.. 1849.