Polish Analytical Philosophy: Kotarbinski Against Universals: A digest of some logical arguments made by this philosopher.
Polish Philosophy: Tadeusz Kotarbinski: Profile, photograph and selected writings.
The City of Lodz Office: Tadeusz Kotarbinski: Profile of the scholar, from the Polish city where he worked.
The Reistic, or Concretistic, Approach: An article by Tadeusz Kotarbinski. First published in Mysl Wspolczesna, 1949.