Gładysz, Andrzej. “Selected Examples of Exemption and Participation of Minors in the War Campaigns of the Last Jagiellon”. Wieki Stare i Nowe 18, no. 23 (January 25, 2024): 1-12. Accessed May 19, 2024. https://journals.us.edu.pl/index.php/WSN/article/view/15451.