1.
Kłak-Ambrożkiewicz M. “Just as before, with wishes that neither time nor my greying hair have cooled – yours always, loving you, Jan”. In: Kita J, Korybut-Marciniak M, editors. Relacje – więzi – parantele [Internet]. Poland: Lodz University Press; 2026 [cited 2026 Oct. 21]. pp. 255-6. (, editor. Private Life of Poles in the 19th Century; vols. 14). Available from: https://www.press.uni.lodz.pl/index.php/wul/catalog/book/1814/chapter/5571