Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 004rSequence: 7Feast: Sabbato Q.T. AdventusOffice: MASSGenre: GrCantus ID: g00519Mode: 2TFull text: Domine deus virtutum converte nos et ostende faciem tuam et salvi erimus