Account book of Alexander Keith of Ravelston and Dunnottar (died 1792) concerning his attempts to recover the Marischal estate from the York Building Company., 1740-1761., MS.21177. Correspondence, legal, miscellaneous, and estate papers of the Murrays of Ochtertyre, Baronets, and their relations by marriage the Keiths, Earls Marischal., MSS.21101-21191. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/45952 Accessed September 23, 2024.