1. Add MS 50977 A Reference (shelfmark): Add MS 50977 A Title: Scope & Content: Vol. XVIII A, ff. 106 Collection Area: Music Collections Languages: English Date Range: 1944 Extent: 1 item
2. Add MS 50977 B Reference (shelfmark): Add MS 50977 B Title: Scope & Content: Vol. XVIII B, ff. 166 Collection Area: Music Collections Languages: English Date Range: 1944 Extent: 1 item