Source: Graduale magnumSiglum: PL-WRu B 1714Folios: 222rFolio: 222rSequence: 1Full text (or incipit): Ad honorem*Genre: SqRubrics: ProsaRubrics2: Katherine virginisFeast: CatharinaeFeast (text): CatharinaeCantus ID: ah54052Form: R