1. Add MS 64639-64682 Reference (shelfmark): Add MS 64639-64682 Title: Works with opus number Collection Area: Music Collections Languages: English Date Range: [1946-1980] Extent: 44 items
2. Add MS 64683-64690 Reference (shelfmark): Add MS 64683-64690 Title: Works for solo voices and several instruments without definitive opus number Collection Area: Music Collections Languages: English Date Range: [1929-1971] Extent: 8 items