1. Add MS 16050 Reference (shelfmark): Add MS 16050 Title: Scope & Content: L' AVARO, an Opera, by Simon Mayer; dated 1799. Oblong Quarto. [16,050.] Simon Mayer: L'Avaro, a farce: 1799. Collection Area: Music Collections Languages: English Date Range: 1799 Extent: 1 item