1. MUS RP 7052 Reference (shelfmark): MUS RP 7052 Title: Scope & Content: Richard Wagner. Autograph letter to Princess Carolyne von Sayn–Wittgenstein about Tristan and Isolde. Sotheby’s sale 20 May 2005 Lot no.177. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 13 Jun 2005 Extent: 2 photocopies