Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 240rSequence: 1Full text: Estote fortes in bello et pugnate cum antiquo serpente et accipietis regnum aeternum dicit dominusFeast: Commune ApostolorumOffice: V2Genre: APosition: M+Cantus ID: 002684