BKF

BKF

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 from Henryk Elzenberg written 23.06.1951

Letter to the Committee of the Library of Classics of Philosophy written 26.08.1952

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

Letter to Władysław Tatarkiewicz written 28.04.1970

List of translators written 05.06.1951

Letter to the Committee of the Library of Classics of Philosophy written 27.04.1954

Letter from Tadeusz Czeżowski written 17.05.1958

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 01.04.1955

Letter to Tadeusz Kotarbiński written 21.07.1951