The Youngest Students Philosophize – on the Horizon of children’s Discussion about Truth, Freedom and Beauty. In Horizons of children’s meanings. Creating a learning environment; Bonar, J., Wiśniewska-Kin, M., Buła, A., Eds.; Lodz University Press: Poland, 2019; pp. 109-120. https://doi.org/10.18778/8142-117-1.09.