Typescript, with manuscript additions and corrections of an account of the ancestry and early history of the family of Seton, by Colonel R S Marshall., Early 20th century, MS.3251(i). Material regarding the Setons and other families, compiled by Colonel R S Marshall., MSS.3249-3256. National Library of Scotland Archives and Manuscripts Division. https://manuscripts.nls.uk/repositories/2/archival_objects/36608 Accessed May 04, 2024.