Seven plans and elevations of small prisons, undated, by Thomas Brown, Edinburgh., Late 18th century-mid 19th century., MS.354C. Letters and documents received by Henry Dundas, 1st Viscount Melville, and his son, Robert, 2nd Viscount., MSS.351-354. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/23949 Accessed September 23, 2024.