Source: PL-Wn 12720 V Antyfonarz opata Mścisława z Tyńca, pars de temporeFolio: 0130rSequence: 2Feast: Dom. QuinquagesimaeOffice: MGenre: VPosition: 01Cantus ID: 007911zbMode: 8Full text: Possidebit semen tuum portas inimicorum suorum et benedicentur in semine tuo omnes naties terrae