Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 009vbSequence: 1Full text: Tollite portas principes vestras et elevamini portae aeternales et introibit rex gloriaeFeast: Vigilia Nat. DominiOffice: MASSGenre: OfCantus ID: g00539Mode: 8
