Education for Ecological Awareness. Based on research of periodicals devoted to nature in the II Republic of Poland (1918-1939) on the example of a "Free Addition to natural sciences monthly for youths Orli Lot [Eagle Flight] devoted to the environmental . FeR [Internet]. 2022 Jun. 27 [cited 2025 Jun. 7];50(2):42-9. Available from: https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/1067