Gottfried Wilhelm Leibniz

Gottfried Wilhelm Leibniz

Letter to Kazimierz Twardowski written 27.01.1923

Telegram from Irena Krońska written in n. d.

Letter to Irena Krońska written in 21.12.1954

Letter to Władysław Tatarkiewicz written 07.04.1966

Letter from Irena Krońska written in 10.01.1955

Letter to the Polish Academy of Science written 07.03.1966

Letter from Anna Teresa Tymieniecka written 13.12.1960

Letter to the Committee of the Library of Classics of Philosophy written 22.05.1954

Letter from Irena Krońska written in 17.11.1954

Letter from Irena Krońska written in 10.11.1954

Attachment to Roman Ingarden’s letter written in 21.12.1954

Letter from Henryk Elzenberg written 07.06.1951