certificate

certificate

Letter from Irena Krońska written in 10.07.1954

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

Letter to Władysław Tatarkiewicz written 10.02.1949

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

Letter from Irena Krońska written in 18.03.1947

Letter from Irena Krońska written in 23.09.1946

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 03.06.1955

Certificate from Irena Krońska written in 10.06.1955