1. MUS RP 6916 Reference (shelfmark): MUS RP 6916 Title: Scope & Content: Amilcare Ponchielli. Autograph manuscript of the opera 'Olgar'. Sotheby’s sale 25 May 2001 lot no.151. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 14 Jun 2001 Extent: 22 photocopies