Source: MissaleSiglum: CZ-Pst DA II 23Folios: 292v-293vFolio: 292vSequence: 1Full text (or incipit): Celorum dulcis armoniaGenre: SqRubrics: De Conceptione MarieFeast: Conceptio MariaeFeast (text): Conceptio MariaeCantus ID: ah54185Form: T