Obała, Ewa. “Kalisz Interwar Guides As a Source of Information about the City”. In Interdyscyplinarium Nauk O Mediach I Kulturze, edited by Mariola Antczak and Zbigniew Gruszka, 371–382. Poland: Lodz University Press, 2020. Accessed February 8, 2026. https://press.uni.lodz.pl/index.php/wul/catalog/book/1052/chapter/2709.