Source: Praha, Knihovna Národního muzea, ms. XIII B 9Siglum: CZ-Pn XIII B 9Folios: 286vFolio: 286vFull text (or incipit): Laudes c[rucis] *Genre: SqRubrics: ProsaFeast: Exaltatio CrucisCantus ID: ah54120Form: R