Source: SK-BRsa (Bratislava) Slovenský národný archív - Antiphonary of Bratislava IVFolio: 110rSequence: 4Full text: Aperiam in parabolis os meum loquar propositiones ab initio saeculiFeast: Fer. 2 Hebd. 4 Quad.Office: MGenre: VPosition: 01Cantus ID: 006138a