KOKO, E. Zygmunt Sarnecki’s letters to Franciszek Rawita-Gawronski (1887–1920). Galicja. Studia i materiały, [S. l.], n. 1, p. 309–327, 2015. Disponível em: https://journals.ur.edu.pl/galisim/article/view/5137. Acesso em: 22 jul. 2024.