Source: Missale ecclesiae PragensisSiglum: CZ-PLm 501 A 001Folios: 258rFolio: 258rSequence: 1Full text (or incipit): Nativitas Marie virginisGenre: SqRubrics: Item alia prosaFeast: Nativitas MariaeFeast (text): Nativitas MariaeCantus ID: ah54188Form: T