Source: SK-Bra (Bratislava) Antiphonary of Bratislava III EC Lad.6Folio: 002rSequence: 6Full text: Patefactae sunt januae caeli Christi martyri beato Stephano qui in numero sanctorum inventus est primus et ideo triumphat in caelis coronatusFeast: StephaniOffice: MGenre: RPosition: 3.3Cantus ID: 007358