Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 025vSequence: 1Feast: Fer. 3 Hebd. 1 Quad.Office: MASSGenre: GrCantus ID: g00713Mode: 7Full text: Dirigatur oratio mea sicut incensum in conspectu tuo domine