1. RP 2970/3 Reference (shelfmark): RP 2970/3 Title: Scope & Content: FARADAY, MICHAEL. 2 Autograph Letters Signed to Edward Sonstadt Creation dates: 27 June 1863, 6 July 1863 Collection Area: Western Manuscripts Languages: English Date Range: 18 Apr 1985 Extent: 3 photocopies