1. MUS RP 7075 Reference (shelfmark): MUS RP 7075 Title: Scope & Content: Dmitrii Dmitrievich Shostakovich. Autograph letter signed, to Valerian Mikhailovich Bogdanov–Berezovsky. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 20 Jun 2007 Extent: 4 prints