Teterwak, Justyna. “In Search of Authorial Signature: On Early Manuscripts from the Archives of Konrad Bielski and Józef Czechowicz”. Śląskie Studia Polonistyczne [Silesian Journal of Polish Studies] (November 9, 2023): 1-16. Accessed May 17, 2024. https://www.journals.us.edu.pl/index.php/SSP/article/view/15571.