Source: SK-BRsa (Bratislava) Slovenský národný archív - Antiphonary of Bratislava IIbFolio: 113rSequence: 1Full text: Unus est enim magister vester qui in caelis est Christus dominusFeast: Fer. 3 Hebd. 2 Quad.Office: LGenre: APosition: BCantus ID: 005278