Source: CZ-Ph Cim 6 | Missale ad usum episcopiSiglum: CZ-Ph Cim 6Folios: 148r-149vFolio: 148rSequence: 1Full text (or incipit): Celi enarrantGenre: SqFeast: Divisio ApostolorumFeast (text): Divisio Apostolorum Cantus ID: ah50267Form: T