Miklós Oláh and Niklas von Salm to King Ferdinand I (Vienna, 19 January 1549)
Miklós Oláh and Niklas von Salm, levél, Epistulae. Pars II. 1534–1553, 2022
Miklós Oláh and Niklas von Salm, letter, Epistulae. Pars II. 1534–1553, 2022