1. RP 7758/1 Reference (shelfmark): RP 7758/1 Title: Scope & Content: MEDICI, Catherine de. Letter Signed from Catherine de Medici to the Chevalier de Fourquevaulx, the French Ambassador to Spain of her son Charles IX Creation dates: 8 November 1566 Collection Area: Western Manuscripts Languages: Undetermined Date Range: 20 Apr 2001 Extent: 4 photocopies