Płaczek, Aleksandra. “When a Part of ‘self’ Dies: On Grief and the Feeling of Loneliness After Losing a Beloved Animal”. In Difficult Situation in Biographies: Volume 9, edited by Elżbieta Dubas and Justyna Sztobryn-Bochomulska, 227–245. Biography and Biography Research. Poland: Lodz University Press, 2025. Accessed January 26, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1381/chapter/4356.