Source: SK-Bra (Bratislava) Antiphonary of Bratislava I EC Lad.3Folio: 060vSequence: 1Full text: Horum o Christe*Feast: Joannis, PauliOffice: LGenre: HCantus ID: 008280oNotes: cantusindex.org: Hujus o Christe meritis
