Source: Missale festivumSiglum: CZ-OLu M III 7Folios: 251vFolio: 251vSequence: 1Full text (or incipit): Hodierne lux diei celebris matris deiGenre: SqRubrics: AliaFeast: De BMVFeast (text): Comm. BMVCantus ID: ah54219Form: T