1. MS Mus. 1747/1/6 Reference (shelfmark): MS Mus. 1747/1/6 Title: Supplementary Humphrey Searle Collection. Music. Scripts, libretti etc. (typescripts) Collection Area: Music Collections Languages: English Date Range: 1964-1976 Extent: 6 volumes
2. MS Mus. 1747/1/3 Reference (shelfmark): MS Mus. 1747/1/3 Title: Supplementary Humphrey Searle Collection. Music. Vocal works Collection Area: Music Collections Languages: English Date Range: 1947-1980 Extent: 4 volumes
3. MS Mus. 1747/1/4 Reference (shelfmark): MS Mus. 1747/1/4 Title: Supplementary Humphrey Searle Collection. Music. Stage works and incidental music for stage, radio, television and film Collection Area: Music Collections Languages: English Date Range: 1955-1968 Extent: 4 volumes