BKF

BKF

Letter to the Committee of the Library of Classics of Philosophy written 21.06.1952

Letter to the Committee of the Library of Classics of Philosophy written 06.11.1951

Letter to the Committee of the Library of Classics of Philosophy written 26.08.1952

Letter to the Committee of the Library of Classics of Philosophy written 02.01.1953

Letter from Tadeusz Kotarbiński written 28.10.1952

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 14.05.1954

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 03.06.1955

Postcard from Stefan Morawski written 16.07.1966

Letter to Tadeusz Kotarbiński written 29.05.1953

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