Source: Graduale latino-bohemicumFolios: 083r-86vFolio: 083rSequence: 1Full text (or incipit): Ave preclara maris stellaOffice: MGenre: SqRubrics: ProsaRubrics2: Sequitur Feria iiFeast: De BMV Adv.Cantus ID: ah50241Form: MImage link: https://imagines.manuscriptorium.com/loris/AIPDIG-NKCR__VI_B_24_____2JDQ4VD-cs/I…