Król, Urszula. “Black Flowers. On the Floral Memorabilia Related to the Death of Frédéric Chopin from the Collection of the Frédéric Chopin Museum in Warsaw”. In Requiem, edited by Jarosław Kita and Maria Korybut-Marciniak, 13:163–174. Private Life of Poles in the 19th Century. Poland: Lodz University Press, 2025. Accessed January 24, 2026. https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1432/chapter/4477.