1. MS Mus. 1813/2/1/278/2 Reference (shelfmark): MS Mus. 1813/2/1/278/2 Title: McCormack, John. Correspondence. Scope & Content: A single letter from John McCormack. This file was originally entitled 'John Cormack' and held in a packet marked 'Archive Letters – Blue Folder – M-Z'. Collection Area: Music Collections Languages: English Date Range: 1931 Extent: 1 sub-file