BKF

BKF

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

Letter to Henryk Elzenberg written 06.06.1951

Letter to the Committee of the Library of Classics of Philosophy written 30.09.1954

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

Letter to Tadeusz Kotarbiński written 21.07.1951

Postcard from Stefan Morawski written 16.07.1966

Letter to the Committee of the Library of Classics of Philosophy written 12.03.1956

Letter to the Committee of the Library of Classics of Philosophy written 22.05.1954

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

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 23.01.1953

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