Gottfried Wilhelm Leibniz

Gottfried Wilhelm Leibniz

Telegram from Irena Krońska written in n. d.

Letter to Kazimierz Twardowski written 27.01.1923

Letter to Irena Krońska written in 24.01.1955

Letter to Henryk Elzenberg written 21.06.1951

Letter from Irena Krońska written in 19.01.1955

Letter to Tadeusz Kotarbiński written 21.07.1951

Letter to the Committee of the Library of Classics of Philosophy written 04.07.1952

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

Letter from Henryk Elzenberg written 07.06.1951

Letter from Kazimierz Twardowski written 06.02.1923

Letter to Władysław Tatarkiewicz written 09.12.1954

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