1. MUS RP 6870 Reference (shelfmark): MUS RP 6870 Title: Scope & Content: Three autograph letters by Poulenc, D’Indy and Pierne. Sotheby’s sale 26 May 2000 lot no.212. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 12 Jun 2000 Extent: 5 photocopies