Livingstone, David, 1813-1873. Letter to Horace Waller, 6 February 1866. Copyright David Livingstone Centre, Blantyre. Creative Commons Attribution-NonCommercial 3.0 Unported (https://creativecommons.org/licenses/by-nc/3.0/). As relevant, copyright Dr. Neil Imray Livingstone Wilson. Creative Commons Attribution-NonCommercial 3.0 Unported (https://creativecommons.org/licenses/by-nc/3.0/). Images of the Livingstone manuscripts from the David Livingstone Centre are copyright University of Glasgow Photographic Unit. Creative Commons Attribution-NonCommercial 3.0 Unported (https://creativecommons.org/licenses/by-nc/3.0/).