invitation

invitation

Letter to Mieczysław Wallis written 29.10.1969

Postcard from Tadeusz Czeżowski written 26.08.1966

Letter from Karol Irzykowski written 14.01.1936

Letter from Władysław Witwicki written 23.12.1923

Letter from Kazimierz Ajdukiewicz written 26.02.1961

Postcard from Stefan Szuman written 23.11.1936

Letter from Tadeusz Czeżowski written 10.04.1968

Postcard from Stefan Szuman written 21.02.1939

Letter from Tadeusz Czeżowski written 23.03.1958

Letter from Tadeusz Czeżowski written 31.03.1958

Letter to the Polish Academy of Science written 15.09.1964

Letter from Tadeusz Czeżowski written 29.03.1969