It is unknown if Kousz or the priest of Pertoča István Pauli was the author of the local Prekmurje dialect hymnal.
His hymnal has 256 church hymns and 1 secular hymn, litanies, and a Saint Matthew's Passion.
The last chapter of the hymnal is titled Kniga hisztoriánszka (History Book).
His successor in Pertoča after 1829 was János Kousz, probably György's son.
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