Zydek S. The Care and Educational Activity of Ursula Ledóchowska and the Ursuline Sisters of the Agonizing Heart of Jesus in the Polish Territories between 1920 and 1939. PCh [Internet]. 2023 Jan. 15 [cited 2024 Apr. 26];49(1):215-37. Available from: https://apcz.umk.pl/PCh/article/view/41914