Source: PL-WRu I F 413 Cistercian Gradual (Silesia)Folio: 040vSequence: 6Feast: Fer. 3 Hebd. 4 Quad.Office: MASSGenre: GrCantus ID: g00786Mode: 2TFull text: Exsurge domine fer opem nobis et libera nos propter nomen tuum