Source: Praha, Národní knihovna ČR, ms. I E 12Siglum: CZ-Pu I E 12Folios: 44v-45vFolio: 044vSequence: 1Full text (or incipit): Celi solem imitantesGenre: SqRubrics: Item de eodemFeast: Comm. ApostolorumCantus ID: ah55003Form: MNotes: De apostolis
