Miklós Oláh and Ulrich von Eytzing to Johann Spölin (Vienna, 11 September 1544)
Miklós Oláh and Ulrich von Eytzing, levél, Epistulae. Pars II. 1534–1553, 2022
Miklós Oláh and Ulrich von Eytzing, letter, Epistulae. Pars II. 1534–1553, 2022