1. Add MS 16015 Reference (shelfmark): Add MS 16015 Title: Scope & Content: Ezio, an Opera, by Cristofer Gluck; dated 1764. Oblong Quarto. [16,015.] Christoph Willibald von Gluck, composer: Ezio an Opera. Collection Area: Music Collections Languages: English Date Range: 1764 Extent: 1 item