M. De Saussure, “Sketch of a Tour through Swisserland” (London: G. Kearsley, 1788)., 1788., Acc.13827/1072. Further papers of the Forbes and Stuart Forbes families of Fettercairn and Pitsligo, with papers of the Trefusis family relating to Fettercairn and Pitsligo., Acc.13827/1-1103. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/134797 Accessed September 23, 2024.