Source: SK-BRsa (Bratislava) Slovenský národný archív - Graduale NitriensisFolio: 061rSequence: 1Full text: Intonuit de caelo dominus et altissimus dedit vocem suam et apparuerunt fontes aquarum alleluiaFeast: Fer. 3 p. PaschaOffice: MASSGenre: OfCantus ID: g01024