Szymańska , Beata. «“…philosophy used to be only for men, as he called it frauenlos…” . 300». в Meetings: Roman Ingarden in Recollections, под редакцией Leszek Sosnowski. Poland: Księgarnia Akademicka Publishing, 2020. просмотрено ноябрь 7, 2026. https://books.akademicka.pl/publishing/catalog/book/104/chapter/1456.