A comprehensive calendar/finding aid to 303 documents in Home Office file HO 98/68, covering 1813-1817 correspondence between the Duke of Atholl (Governor-in-Chief), Cornelius Smelt (Lieutenant Governor), James Clarke (Attorney General), Lord Sidmouth (Home Secretary), and other officials regarding Isle of Man administration. Topics include constitutional disputes over gubernatorial powers, legal opinions on the Duke's residual rights, appointments to office, public buildings and fortifications, smuggling cases (esp. Robert Quilliam), volunteer corps organisation, and relations between London and the Island authorities. Directly relevant to the Revestment project's coverage of post-1765 constitutional tensions and administrative practice.