1. RP 9793/1 Reference (shelfmark): RP 9793/1 Title: Scope & Content: LEWIS, Matthew Gregory. Autograph Letter Signed to Sir Henry Petty, the Chancellor of the Exchequer, suggesting new taxes. Bonhams, 19386, 29 Mar 2011, Lot 151. Creation dates: [1806 or 1807] Collection Area: Western Manuscripts Languages: English Date Range: 5 Apr 2011 Extent: 2 photocopies