friendship relation

friendship relation

Postcard from Stefan Szuman written 20.09.1938

Letter from Stefan Szuman written 14.10.1943

Letter from Stefan Szuman written 06.03.1939

Postcard from Stefan Szuman written 22.07.1942

Postcard from Stefan Szuman written 16.04.1942

Letter from Kazimierz Ajdukiewicz written 15.05.1924

Postcard from Stefan Szuman written 15.08.1939

Postcard from Tadeusz Kotarbiński written 02.05.1923

Letter from Kazimierz Ajdukiewicz written 10.03.1928

Postcard from Kazimierz Ajdukiewicz written 26.11.1922

Postcard from Stefan Szuman written 12.05.1942

Postcard from Edmund Husserl written 18.07.1920