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 National Library of Scotland. Creative Commons Share-alike 2.5 UK: Scotland (https://creativecommons.org/licenses/by-nc-sa/2.5/scotland/). As relevant, copyright Dr. Neil Imray Livingstone Wilson. Creative Commons Attribution-NonCommercial 3.0 Unported (https://creativecommons.org/licenses/by-nc/3.0/). 