1. RP 9003/9 Reference (shelfmark): RP 9003/9 Title: Scope & Content: PONSONBY, Sarah. Autograph Letter Signed to Mrs Williams. Sotheby's, 13 July 2006, Lot 127. Creation dates: November 1816 Collection Area: Western Manuscripts Languages: English Date Range: 21 Sep 2006 Extent: 3 photocopies