“The Statement of the Envoys of Podlasie Concerning the Case of Polish-Lithuanian Union at the Sejm of Brześć in 1566”.
Miscellanea Historico-Iuridica 21, no. 1 (March 13, 2023): 21–49. Accessed May 8, 2025.
https://miscellanea.uwb.edu.pl/article/view/675.