Gottfried Wilhelm Leibniz

Gottfried Wilhelm Leibniz

Letter to the Committee of the Library of Classics of Philosophy written 09.07.1951

Letter from Irena Krońska written in 10.01.1955

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

Letter from Irena Krońska written in 19.01.1955

Letter from Irena Krońska written in 10.11.1954

Letter to Władysław Tatarkiewicz written 09.12.1954

Letter to the Committee of the Library of Classics of Philosophy written 03.12.1968

Letter to Władysław Tatarkiewicz written 07.04.1966

Letter to Tadeusz Kotarbiński written 29.05.1953

Letter from Stanisław Ignacy Witkiewicz written 16.04.1937

Letter from Władysław Tatarkiewicz written 10.04.1966

Attachment to Irena Krońska’s letter written in 21.09.1968