Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 257vaSequence: 4Full text: Semel juravi in sancto meo semen ejus in aeternum manebit et sedes ejus sicut sol in conspectu meo et sicut luna perfecta in aeternum et testis in caelo fidelisFeast: ApollinarisOffice: MASSGenre: CmCantus ID: g01279