1. Add MS 33952 Reference (shelfmark): Add MS 33952 Title: Francesco Antonio Vallotti: Dies irae. Scope & Content: 'Dies iræ'; for 5 voices, with trumpets and strings, in parts, by Padre Francescantonio Vallotti. Collection Area: Music Collections Languages: Latin Date Range: 18th century Extent: 1 volume (67 folios)