invitation

invitation

Letter to the Polish Academy of Science written 15.09.1964

Letter from Stefan Szuman written 03.03.1942

Letter from Irena Sławińska written 1/31/1959

Letter to Stefan Żółkiewski written in 31.05.1967

Letter from Felix Kaufmann written 23.03.1936

Letter from Tadeusz Czeżowski written 29.03.1969

Letter from Tadeusz Czeżowski written 17.05.1958

Letter from Hanna Malewska written n/d

Letter to Stefan Żółkiewski written in 07.05.1964

Letter to Mieczysław Wallis written 12.09.1967

Letter to Henryk Elzenberg written 02.04.1950

Postcard from Karol Irzykowski written 26.10.1936