Instrument of Sasine following on Royal Charter of Confirmation, Acc.6275/20., 1680., Acc.6275/21. Papers, including correspondence, financial documents, plans, reports and related material, concerning the estates of Foxhall and Avoncrook., Acc.6275/1-133. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/128227 Accessed May 19, 2024.