Gottfried Wilhelm Leibniz

Gottfried Wilhelm Leibniz

Letter to Henryk Elzenberg written 05.06.1951

Letter to Irena Krońska written in 12.01.1955

Letter from Irena Krońska written in 10.01.1955

Letter from Anna Teresa Tymieniecka written 03.01.1967

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

Attachment to Irena Krońska’s letter written in 21.09.1968

Letter to Irena Krońska written in 24.01.1955

Letter to the Polish Academy of Science written 07.03.1966

Letter from Irena Krońska written in 10.11.1954

Letter from Anna Teresa Tymieniecka written n/d 2

Letter from Stanisław Ignacy Witkiewicz written 16.04.1937

Letter from Irena Krońska written in 17.11.1954