De non faciendis Constitutionibus sine consensu Consiliariorum & Nuntiorum terrestrium (pp. 169170). Gearchiveerd op 1 september 2017.
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Zie: R.I. Frost, The Oxford History of Poland-Lithuania, I: The Making of the Polish-Lithuanian Union 1385-1569, Oxford - e.a., 2015, pp. 329, 338. Gearchiveerd op 25 december 2021.
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Zie: R.I. Frost, The Oxford History of Poland-Lithuania, I: The Making of the Polish-Lithuanian Union 1385-1569, Oxford - e.a., 2015, pp. 329, 338. Gearchiveerd op 25 december 2021.
De non faciendis Constitutionibus sine consensu Consiliariorum & Nuntiorum terrestrium (pp. 169170). Gearchiveerd op 1 september 2017.