Source: SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3Folio: 185vSequence: 1Full text: Caesar electos convocat rhetores et grammaticos adversus illam disputaturos quos vincens virgo Christi fidem docuit et martyres deo dignos exhibuitFeast: CatharinaeOffice: MGenre: APosition: 2.3Cantus ID: 200717