Source: Praha, Knihovna Národního muzea, ms. XVI D 16Siglum: CZ-Pn XVI D 16Folios: 218rFolio: 218rSequence: 1Full text (or incipit): Ad laudes SalvatorisGenre: SqRubrics2: (De sancto Severo)Feast: Comm. unius ConfessorisFeast (text): Comm. unius ConfessorisCantus ID: ah54088Form: R