PIOTROWICZ, D. O Legionach Polskich w Ciechanowie raz jeszcze. Studia Mazowieckie, [S. l.], v. 20, n. 1, p. 118–129, 2025. DOI: 10.54539/sm.105. Disponível em: https://www.studiamazowieckie.puzim.edu.pl/index.php/sm/article/view/105. Acesso em: 7 wrz. 2025.