invitation

invitation

Letter from Stefan Szuman written nd.06.1942

Letter from Stefan Żółkiewski written in 06.06.1962

Letter from Anna Teresa Tymieniecka written 14.09.1969

Letter from Jan Patočka written 16.02.1948

Postcard from Stefan Szuman written 01.11.1937

Letter from Władysław Witwicki written 14.01.1923

Letter from Tadeusz Czeżowski written 31.10.1965

Letter from Tadeusz Czeżowski written 09.04.1968

Letter to the Polish Academy of Science written 01.07.1963

Postcard from Karol Irzykowski written 26.10.1936

Letter to Stefan Żółkiewski written in 06.03.1966

Letter to Tadeusz Kotarbiński written 23.02.1961