Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 154rSequence: 4Full text: Regali ex progenie Maria exorta refulget cujus precibus nos adjuvari mente et spiritu devotissime poscimusFeast: Nativitas MariaeOffice: LGenre: APosition: 3Cantus ID: 004591