Account book of George Mackenzie, Advocate, containing rents and expenses of the estate of Nuthill and other accounts., 1726-1731., MS.1125. Correspondence and papers of the Mackenzies of Delvine and their clients., MSS.1101-1530. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/48193 Accessed September 23, 2024.