Source: SK-Bra (Bratislava) Antiphonary of Bratislava III EC Lad.6Folio: 029vSequence: 4Full text: Te unum in substantia trinum in personis confitemurFeast: Dom. per annumOffice: SGenre: ACantus ID: 005126Notes: cantusindex.org. Te unum in substantia trinitatem in personis confitemur