1. RP 1795/3 Reference (shelfmark): RP 1795/3 Title: Scope & Content: Thomas Birch, DD, FRS; Letters, autograph. Phillips of Edinburgh, 14 March 1979, lot 150 Creation dates: 1753 - 1765 Collection Area: Western Manuscripts Languages: English Date Range: 24 Aug 1979 Extent: microfilm