Source: PL-PŁsem MsEPl 12 Antyfonarz z Płocka, pars de sanctisFolio: 039vSequence: 4Feast: GregoriiOffice: MGenre: APosition: 3.3Cantus ID: 004498Mode: 1Differentia: G1Full text: Qui solebat in sericis procedere induviis post in abjectis vestibus servit pauper pauperibus