certificate

certificate

Letter to the Committee of the Library of Classics of Philosophy written 06.11.1951

Letter of motivation written 12.04.1921

Letter to the Committee of the Library of Classics of Philosophy written 30.09.1954

Letter to the Committee of the Library of Classics of Philosophy written 12.01.1954

Letter to the Committee of the Library of Classics of Philosophy written 03.06.1955

Letter to Władysław Tatarkiewicz written 10.02.1949