[Hessen S. (1997), The basics of pedagogy, Warsaw 1997.]Search in Google Scholar
[Okoń W. (1997), Sergiusz Hessen jako człowiek i uczony (Sergiusz Hessen - a man and a scholar) [In:] S. Hessen Podstawy pedagogiki (The Basics of Pedagogy) Selection and editing by W. Okoń. Warsaw.]Search in Google Scholar
[Okoń W. (2000), The biographies of famous Polish Pedagogues, Warsaw.]Search in Google Scholar
[Sztobryn S. (2003), Sergiusz Hessen (1887 - 1950), Encyklopedia Pedagogiczna XXI wieku (Encyclopedia of Pedagogy). Eds. T. Pilch. Warsaw, vol. 2.]Search in Google Scholar
[Sztobryn S. (1994), The philosophy of education by Sergiusz Hessen, Łódź.]Search in Google Scholar
[Świderska M. (2011), Selected Problems of Social Exclusion, Lodz.]Search in Google Scholar
[Walicki A. (1968), S. Hessen: Studies of the Philosophy of Culture. Selected, prefaced and annotated by A. Walicki, Warsaw.]Search in Google Scholar
