Source: Antiphonarium latino-bohemicumFolios: 26r-26vFolio: 026rSequence: 2Full text (or incipit): Aule rector astringe Christus proditor culpe vite largitor eterneOffice: VGenre: TpFeast: Vigilia Nat. DominiCantus ID: 007040.Tp1Form: M