Accounts and vouchers of transactions with the Oliphant family and the estate of Gask by the factor on the estate (folio 1), as well as vouchers relating to the estate of Ardblair (folio 170)., 1821-1822., Adv.MS.82.7.7. 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://nlssb.as.atlas-sys.com/repositories/2/archival_objects/17594 Accessed September 23, 2024.