Source: SK-BRsa (Bratislava) Slovenský národný archív - Antiphonary of Bratislava IVFolio: 109vSequence: 1Full text: Bonum est sperare in domino quam sperare in principibusFeast: Dom. 4 QuadragesimaeOffice: LGenre: APosition: 2Cantus ID: 001745