BKF

BKF

Letter to the Committee of the Library of Classics of Philosophy written 24.03.1954

Letter to the Committee of the Library of Classics of Philosophy written 23.01.1953

Letter from Henryk Elzenberg written 23.06.1951

Letter to the Committee of the Library of Classics of Philosophy written 11.03.1952

Letter to Henryk Elzenberg written 06.06.1951

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 22.05.1954

Letter to the Committee of the Library of Classics of Philosophy written 04.11.1952

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 10.06.1952

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

Letter to Tadeusz Kotarbiński written 21.07.1951