Source: SK-Bra (Bratislava) Missale of Bratislava I EC Lad. 3Folio: 004rbSequence: 4Full text: Tollite portas principes vestras et elevamini portae aeternales et introibit rex gloriaeFeast: Fer. 4 Q.T. AdventusOffice: MASSGenre: GrPosition: 1Cantus ID: g02220Mode: 2