Hippisley, John Cox, Sir, Prison Labour Correspondence and Communications, addressed to His Majesty's principal Secretary of State for the Home Department, concerning the introduction of tread-mills into prisons, with other matters connected with the subject of prison discipline, 1823, Volume: 056-003. Lord Eldon Manuscript Collection, MSS-056. Manuscripts. https://aspace.ll.georgetown.edu/public/repositories/3/archival_objects/30008 Accessed March 15, 2025.