Letters of Thomas Pennant, the naturalist and traveller, to George Paton., 1771-1778., Adv.MS.29.5.5(i). Correspondence of George Paton, the antiquary., Adv.MSS.29.5.5-29.5.8. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/13428 Accessed September 25, 2024.