BKF

BKF

Letter to the Committee of the Library of Classics of Philosophy written 03.12.1964

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 28.02.1953

Letter to the Committee of the Library of Classics of Philosophy written 31.03.1952

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

Letter to Henryk Elzenberg written 06.06.1951

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

Letter from Henryk Elzenberg written 07.06.1951

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 27.04.1954

Letter to Tadeusz Kotarbiński written 21.07.1951

Letter to Henryk Elzenberg written 21.06.1951