Source: Graduale BenedictinumSiglum: CZ-R 418Folios: 133r-133vFolio: 133rSequence: 2Full text (or incipit): Sancti belli celebremusGenre: SqRubrics: Sancti Mauricii [et] sociorum eiusFeast: MauritiiFeast (text): Mauritii Cantus ID: ah53186Form: NI