1. Map of the coastal plateau in the divisions of George, Knysna, Humansdorp, and Uniondale Maps Stanford University Public content The map is signed by geologist, Ernest H. Schwarz, 29 March 1905. Cape Times Ltd. Lithos.
2. Sketch map of the country between the Kowie and the Chalumna Rivers showing the Fingo and Kafir locations, general lay of the country &c, &c Maps Stanford University Public content Annotated in blue pencil: "Recd from Mr. Henkel 9/1/77 H.E. Richard Bright.". Lithographed by Saul Solomon & Co.