Source: SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3Folio: 148rSequence: 2Full text: Quarum in numero cum sua duce Ursula fulsere ut sidera pinnosa et candidaFeast: XI milium VirginumOffice: VGenre: VPosition: 01Cantus ID: 600111a
