Erskine, Thomas Erskine, Baron, A Letter to the Proprietors and Occupiers of Land, on the causes of, and the remedies for the declension of agricultural prosperity, 1823, Volume: 112. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30922 Accessed April 19, 2025.