Narrative of Andrew Fletcher, Lord Milton's affairs and stated accounts of William Alston's factory, drawn up in relation to an arbitration by Thomas Boswell in 1771., 1771., MS.17056. Papers of the family of Fletcher of Saltoun (previously of Innerpeffer), with some of Abernethy, Lords Saltoun., MSS.16501-17880. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/39475 Accessed September 24, 2024.