Source: SK-BRnm (Bratislava) Slovenské národné múzeum - Hudobné múzeum GradualeFolio: 134rSequence: 1Full text: Diligam te domine virtus mea dominus firmamentum meum et refugium meumFeast: Fer. 4 de PassioneOffice: MASSGenre: InVPosition: 01Cantus ID: g00817c.2