1. Royal MS 16 D I, ff 328v-331v Reference (shelfmark): Royal MS 16 D I, ff 328v-331v Title: Scope & Content: De professione Christiana ad Harmonium (TLG 2017.025; PG 46.237; CPG 3163). Collection Area: Western Manuscripts Languages: Greek, Ancient Date Range: 13th century Extent: 4 folios
