1. MUS RP 5174 Reference (shelfmark): MUS RP 5174 Title: Scope & Content: MAYERBEER, Giacomo. PIATTI, Alfred. Autograph letters of Mayerbeer and Piatti. Sotheby’s, 3 Dec 1992, Lot 461 Creation dates: 11 July [no year], undated Collection Area: Music Collections Languages: Undetermined Date Range: 26 May 1993 Extent: 1 black and white print