BKF

BKF

Letter to the Committee of the Library of Classics of Philosophy written 29.11.1951

Letter to Władysław Tatarkiewicz written 28.04.1970

Letter to the Committee of the Library of Classics of Philosophy written 01.04.1952

Letter to the Committee of the Library of Classics of Philosophy written n/d

Letter to the Committee of the Library of Classics of Philosophy written 21.08.1952 A

Letter to the Committee of the Library of Classics of Philosophy written 29.01.1953

Letter to the Committee of the Library of Classics of Philosophy written 08.02.1951

Letter to the Committee of the Library of Classics of Philosophy written 25.03.1953

Letter to the Committee of the Library of Classics of Philosophy written 17.08.1952

Letter to Henryk Elzenberg written 21.06.1951

Letter to the Committee of the Library of Classics of Philosophy written 03.09.1951

Letter to Tadeusz Kotarbiński written 21.07.1951