1. MS Mus. 1813/2/1/72/3 Reference (shelfmark): MS Mus. 1813/2/1/72/3 Title: Koch, Walter Scope & Content: Correspondence concerning Walter Koch. This file was originally entitled 'Koch' and held in a packet marked 'Dr. Roth, J-Q'. Collection Area: Music Collections Languages: English and German Date Range: 1958 Extent: 1 sub-file