doctorate

doctorate

Letter to Władysław Tatarkiewicz written 15.10.1962

Letter to Kazimierz Twardowski written 02.06.1917

Letter to Kazimierz Twardowski written 22.06.1917

Biography of Konstanty Michalski from N/D c

Letter to Kazimierz Twardowski written 30.04.1919

Letter from Irena Krońska written in 10.07.1947

Letter from Henryk Elzenberg written 18.03.1964

Postcard from Stefan Morawski written 28.06.1967

Postcard from Henryk Elzenberg written 20.03.1964

Letter to Władysław Tatarkiewicz written 08.12.1966

Letter from Stefan Morawski written 02.01.1964

Letter from Irena Krońska written in 12.07.1946