invitation

invitation

Postcard from Stefan Szuman written 22.07.1942

Postcard from Stefan Szuman written 21.02.1939

Postcard from Karol Irzykowski written 26.10.1936

Invitation to scientific discussion written n/d

Postcard from Stefan Szuman written 22.10.1937

Letter from Edmund Husserl written 16.03.1929

Letter from Stefan Szuman written 03.03.1942

Letter from Kazimierz Ajdukiewicz written 10/1/1948

Letter from Anna Teresa Tymieniecka written 14.09.1969

Letter from Irena Sławińska written 31.01.1959

Postcard from Tadeusz Czeżowski written 26.08.1966

Letter from Tadeusz Czeżowski written 12.04.1966