MUS: Issued with microfilms classified as Reel 1975.
pt. 1. Music manuscripts before 1850 from Cambridge University Library and Ely Cathedral -- pt. 2. Music manuscripts from the Rowe Music Library, King's College, Cambridge -- pt. 3. Handel manuscripts from the Fitzwilliam Museum -- pt. 4. English manuscripts from the Fitzwilliam Museum -- pt. 5. Continental music manuscripts before c. 1880 in the Fitzwilliam Museum, Section A -- pt. 6. Continental music manuscripts from the Fitzwilliam Museum, Section B.