Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 040vSequence: 5Feast: Fer. 3 Maj. Hebd.Office: MASSGenre: OffCantus ID: g00871Mode: 1Full text: Custodi me domine de manu peccatoris et ab hominibus iniquis eripe me domine