FRÎNC, Maria. “Rulers and Their Influence on the Boyars’ Landed Estates in Wallachia During the Second Half of the 16th Century”. Studia Universitatis Babeș-Bolyai Historia, vol. 60, no. 1, June 2015, pp. 186-99, https://studia.reviste.ubbcluj.ro/index.php/subbhistoria/article/view/4802.