Source: Graduale latino-bohemicumFolios: 108r-109vFolio: 108rSequence: 1Full text (or incipit): Ave verbi dei parensOffice: MGenre: SqRubrics: AliaFeast: De BMV Adv.Cantus ID: ah48392Form: MNotes: Rubric "iiii" at the right margin.Image link: https://imagines.manuscriptorium.com/loris/AIPDIG-NKCR__VI_B_24_____2JDQ4VD-cs/I…