Source: SK-Sk (Spišska Kapitula) Antiphonale ScepusienseFolio: 122rSequence: 1Full text: Beatus papa Sixtus dixit clero suo fratres et commilitones nolite expavescere terrores passionumFeast: SixtiOffice: VGenre: ACantus ID: a01221Rubrics: Sixti, Felicissimi, Agapiti martyrum