Source: Vyšehradský sborník – Vyšehrad CollectionSiglum: CZ-Pkvk 376Folios: 172v-174rFolio: 172vSequence: 1Full text (or incipit): Gaude mater ecclesiaGenre: SqRubrics: De sancto Thoma prosaFeast: Thomae Apost.Feast (text): Thomae Apost.Cantus ID: ah09348Form: M