Source: PL-GD Mar. F 408 Antiphonarium, prima parsFolio: 059vSequence: 6Feast: Feria 2 per annumOffice: MGenre: WCantus ID: 008026Rubrics: VersusFull text: Domine in caelo misericordia tua R. Et veritas tua usque ad nubes*
Cantus Planus in Polonia 