Wallis, Mieczysław. “Memories about Henryk Elzenberg (edited by Joanna Dorota Zegzuła-Nowak)”. Studies in the History of Philosophy 7, no. 2 (October 5, 2016): 113–118. Accessed July 23, 2024. https://apcz.umk.pl/szhf/article/view/szhf.2016.026.