Paper titled 'Agriculture,' by Henry Fletcher of Saltoun, including also drawings for farm buildings and a hexagonal church., 18th century., MS.17830. 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/40912 Accessed September 23, 2024.