invitation

invitation

Letter to Tadeusz Kotarbiński written 23.02.1961

Invitation to scientific discussion written n/d

Letter to the Polish Academy of Science written 01.07.1963

Letter to Mieczysław Wallis written 03.08.1963

Letter from Tadeusz Czeżowski written 09.04.1966

Letter from Stanisław Ignacy Witkiewicz written 04.11.1937

Letter from Tadeusz Czeżowski written 17.05.1958

Postcard from Karol Irzykowski written 22.09.1936

Postcard from Henryk Elzenberg written 24.03.1950

Letter from Konstanty Michalski written 22.01.1946

Letter from Władysław Witwicki written 02.03.1922

Postcard from Stefan Morawski written N/D 2