Source: PL-WRu I F 414 Cistercian Gradual (Silesia)Folio: 087vSequence: 4Feast: Thomae de Aquino Confessoris et Ecclesiae DoctorisOffice: MASSGenre: IntrCantus ID: g01349Mode: *Full text: Os justi*Notes: sicut Hieronimi - added later on the left marginMarginalia: L