Source: SK-BRnm (Bratislava) Slovenské národné múzeum - Hudobné múzeum GradualeFolio: 044vSequence: 1Full text: Adjutor in opportunitatibus in tribulatione sperent in te qui noverunt te quoniam non derelinquis quaerentes te domineFeast: Dom. SeptuagesimaeOffice: MASSGenre: GrCantus ID: g00632Mode: 3