1. MS Mus. 431 Reference (shelfmark): MS Mus. 431 Title: Scope & Content: Alan Bush Collection. Correspondence with David and Diana Ellenberg Collection Area: Music Collections Languages: English Date Range: 1940-1952 Extent: 1 volume
2. MS Mus. 432 Reference (shelfmark): MS Mus. 432 Title: Scope & Content: Alan Bush Collection. Correspondence with David and Diana Ellenberg Collection Area: Music Collections Languages: English Date Range: 1952-1991 Extent: 1 volume