BKF

BKF

Letter to the Committee of the Library of Classics of Philosophy written 01.04.1952

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

Letter from Henryk Elzenberg written 23.06.1951

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 n/d

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

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 29.11.1951

Letter to the Committee of the Library of Classics of Philosophy written 01.04.1955

Letter to the Committee of the Library of Classics of Philosophy written 10.12.1953

Letter to the Committee of the Library of Classics of Philosophy written 26.05.1954

Letter from Tadeusz Kotarbiński written 28.10.1952