Étienne de Condillac

Étienne de Condillac

Letter to Władysław Tatarkiewicz written 03.05.1950

Letter to Władysław Tatarkiewicz written 09.12.1954

Letter to Irena Krońska written in 21.12.1954

Certificate from Irena Krońska written in 10.06.1955

Letter to Irena Krońska written in 07.04.1955

Letter to Tadeusz Kotarbiński written 12.10.1949