1. MUS RP 6924 Reference (shelfmark): MUS RP 6924 Title: Scope & Content: Anton Webern. Autograph manuscript of Spring Quartet Op. 28. Sotheby’s sale 08 Dec 2000 lot no.272. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 14 Jun 2001 Extent: 15 colour prints