Source: Vyšehradský sborník – Vyšehrad CollectionSiglum: CZ-Pkvk 376Folios: 143r-145rFolio: 143rSequence: 1Full text (or incipit): Potens rectorGenre: SqRubrics: Quinque fratrumFeast: Quinque fratrumFeast (text): Quinque fratrumCantus ID: ah09173Form: M