Final text of the 'Voyage to America' by Alexander Walker, which incorporates a number of additions and some illustrative material., 1785-1786., MS.13780. Correspondence and papers, private and official, of Brigadier-General Alexander Walker., MSS.13601-14193. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/33906 Accessed September 23, 2024.