BKF

BKF

Letter to the Committee of the Library of Classics of Philosophy written 28.02.1953

Letter to Tadeusz Kotarbiński written 21.07.1951

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 24.03.1954

Letter to the Committee of the Library of Classics of Philosophy written 30.09.1952

Letter to Henryk Elzenberg written 21.06.1951

Library of Classics of Philosophy project of publishing instructions written n/d

Letter to the Committee of the Library of Classics of Philosophy written 09.03.1954

Letter to the Committee of the Library of Classics of Philosophy written 14.04.1954

Letter to Władysław Tatarkiewicz written 28.04.1970

Letter to the Committee of the Library of Classics of Philosophy written 12.08.1952

Letter to the Committee of the Library of Classics of Philosophy written 02.01.1953