A comprehensive finding aid and catalogue to transcribed Home Office documents (SP 48 and HO 98 series) held at The National Archives, covering governance, administration, and revenue control on the Isle of Man during and after the 1765 Revestment period. The index includes references to governors, lieutenant-governors, revenue officials (notably Charles Lutwidge), and administrative correspondence from 1765 to 1840, with notes on archival location, coverage gaps, and transcription methodology.