1. MUS RP 7012 Reference (shelfmark): MUS RP 7012 Title: Scope & Content: Johann Sebastian Bach. Two autograph receipts signed contained on one leaf. Sotheby’s sale 05 Dec 2003 lot no.11. Creation dates: Undated Collection Area: Music Collections Languages: Undetermined Date Range: 5 Jan 2004 Extent: 2 photocopies