Source: Praha, Knihovna Národního muzea, ms. XII A 1Siglum: CZ–Pn XII A 1Folios: 191r-192rFolio: 191rFull text (or incipit): Stirpe MariaGenre: SqRubrics2: In nativitate beate Marie virginis (189v)Feast: De BMV Nat.Cantus ID: g02522Form: M