Assignation by David, Earl of Crawford to John Crichton of Ruthvens of reversion by Sir James Guthrie, parson of Kirkbuddo and Mr John Guthrie of Petnowers of Stotfauld etc., 23 March 1539/1540., Ch.14160. Charters and formal documents from the Saltoun Papers., Ch.13001-15207A. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/5008 Accessed September 23, 2024.