BKF

BKF

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

Letter to Tadeusz Kotarbiński written 29.05.1953

Letter from Tadeusz Kotarbiński written 28.10.1952

Letter to Władysław Tatarkiewicz written 28.04.1970

Letter to the Committee of the Library of Classics of Philosophy written 10.06.1952

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 29.05.1954

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

Letter from Jan Legowicz written 22.03.1955

Letter to the Committee of the Library of Classics of Philosophy written 04.07.1951

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

Postcard from Stefan Morawski written 16.07.1966