J.W. Arrowsmith Ltd, London, Printers and Publishers. Dr. Livingstone's Route Across Africa; Constructed from his Astronomical Observations, Bearings, Estimated Distances, Sketches, &c.&c. by J. Arrowsmith, 1857. Images copyright Wellcome Library, London. Creative Commons Attribution 4.0 International (https://creativecommons.org/licenses/by/4.0/). As relevant, copyright Dr. Neil Imray Livingstone Wilson. Creative Commons Attribution-NonCommercial 3.0 Unported (https://creativecommons.org/licenses/by-nc/3.0/). 