On April 16, 1494 he obtained the degree of a doctor in canon law in Ferrara.
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In 1496 he became secretary at the chancellery of Vladislaus II in Buda.
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Czapla gives a brief overview of the controversy about Augustin's birthplace, which has its roots in his sometimes giving his last name as "Käsenbrot von Wssehrd" ("of Všehrdy").