Estate accounts of the Oliphants for the period when Gask was forfeited and being administered by a factor, James Lawson., 1761-1764., Adv.MS.82.3.13. Family and estate papers of the Oliphant family of Gask., Adv.MSS.82.1.1-82.9.16. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/17560 Accessed May 05, 2024.