Source: Sequentiarius latino-bohemicus - Sekvenciář klementinský (Orel)Siglum: CZ-Pu IV D 19Folios: 59r-60rFolio: 059rSequence: 1Full text (or incipit): Ave mater Christi piaGenre: SqFeast: De BMVFeast (text): Comm. BMVCantus ID: ah10111Form: C