Source: Praha, Knihovna Národního muzea, ms. XII A 1Siglum: CZ–Pn XII A 1Folios: 138v-140rFolio: 138vFull text (or incipit): Summi triumphumGenre: SqRubrics: ProsaRubrics2: In ascensione domini (137v)Feast: Ascensio DominiCantus ID: g02439Form: M