Włodarczyk, Marcin, and Małgorzata Włodarczyk. “The Historic Preservation System – a Study of the Evolution from 1918 to 2023”. Protection of Cultural Heritage, no. 18 (December 30, 2023): 164–190. Accessed November 21, 2024. https://ph.pollub.pl/index.php/odk/article/view/3706.