Source: Vyšehradský sborník – Vyšehrad CollectionSiglum: CZ-Pkvk 376Folios: 135r-137rFolio: 135rSequence: 1Full text (or incipit): Salve virga stirps yesseGenre: SqFeast: De BMVFeast (text): Comm. BMVCantus ID: ah34159Form: M