BKF

BKF

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

Letter to Tadeusz Kotarbiński written 29.05.1953

Letter to the Committee of the Library of Classics of Philosophy written 27.04.1954

Postcard from Stefan Morawski written 16.07.1966

Letter to the Committee of the Library of Classics of Philosophy written 29.10.1964

Letter to the Committee of the Library of Classics of Philosophy written 09.03.1954

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 30.09.1952

Letter to the Committee of the Library of Classics of Philosophy written 23.06.1951

Letter to Tadeusz Kotarbiński written 21.07.1951

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

Letter to the Committee of the Library of Classics of Philosophy written 17.12.1954