1. RP 451 Reference (shelfmark): RP 451 Title: Scope & Content: Various copy letters. Sotheby's, 11-12 May 1970, lots 219, 221, 227, 231 Creation dates: 1726 - 1764 Collection Area: Western Manuscripts Languages: English Date Range: 18 May 1970 Extent: 10 photocopies