1. RP 8821/1 Reference (shelfmark): RP 8821/1 Title: Scope & Content: GRAHAM, James. Autograph Letter Signed to John Henderson, arranging, with the agreement of the Adam Brothers, for a trap-door to be fitted at his 'Temple of Heaven' in the Adelphi. Creation dates: 23 Dec 1779 Collection Area: Western Manuscripts Languages: English Date Range: 3 Oct 2005 Extent: 2 photocopies