Geben, Kinga, and Elżbieta Julita Titaniec. “The Attitude of Poles from Lithuania to the Writing of Personal Names in Their Original Form”. Poradnik Językowy, vol. 810, no. 1, Mar. 2024, pp. 60-72, https://www.journals.polon.uw.edu.pl/index.php/pj/article/view/1290.