University of Warsaw

University of Warsaw

Letter to the Committee of the Library of Classics of Philosophy written 12.01.1954

Letter from Jan Parandowski written 30.12.1950

Letter to Władysław Tatarkiewicz written 25.11.1952

Letter from Adam Schaff written 12.06.1962

Letter to Władysław Tatarkiewicz written 22.10.1957

Letter from Władysław Tatarkiewicz written 24.07.1962

Letter to Władysław Tatarkiewicz written 05.07.1968