Ryk, A. . „Idealism in Education. Tradition and the Present. Selected Approaches and Implications”. Annales Universitatis Paedagogicae Cracoviensis. Studia Ad Didacticam Scientiarum Socialium Pertinentia, t. 310, nr X, grudzień 2020, s. 1-5, https://scientiarumsocialium.uken.krakow.pl/article/view/8185.