Source: Missale Ordinis PraemonstratensisSiglum: CZ-TPk E.9Folios: 245v-246rFolio: 245vSequence: 1Full text (or incipit): Sacrosancta hodierneGenre: SqRubrics: SequenciaFeast: AndreaeFeast (text): AndreaeCantus ID: ah54030Form: T