1. MS Mus. 1813/2/1/73/2 Reference (shelfmark): MS Mus. 1813/2/1/73/2 Title: Mechanlizenz Scope & Content: Correspondence to or from Mechanlizenz. This file was originally entitled 'Mechanlizenz, 1958' and held in a packet marked 'Dr. Roth, J-Q'. Collection Area: Music Collections Languages: English, French, and German Date Range: 1957-1958 Extent: 1 sub-file