Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 039rSequence: 5Feast: Dom. in PalmisOffice: MASSGenre: TrVPosition: 010Cantus ID: g00848jMode: 2TFull text: Libera me de ore leonis et a cornibus unicornuorum humilitatem meam