Notebooks of the Willison family concerning sheep, cattle, cheese, stock, wages, memos and related estate matters., 1806-1848., Acc.11049/55-56. Personal and estate papers of the Willison family of Perthshire and Lanarkshire, including farming notebooks, private correspondence and family documents; with family history and genealogical papers compiled by Ralph Willison Simmonds., Acc.11049/1-76. National Library of Scotland Archives and Manuscripts Division. https://nlssb.as.atlas-sys.com/repositories/2/archival_objects/74632 Accessed September 23, 2024.