Polish Academy of Sciences

Polish Academy of Sciences

Letter from Tadeusz Czeżowski written 14.10.1954

Letter to Kazimierz Ajdukiewicz written 15.03.1956

Letter from Władysław Tatarkiewicz written 04.11.1965

Letter from Stefan Żółkiewski written in 26.05.1964

Letter to Irena Krońska written in 19.01.1955

Letter to Władysław Tatarkiewicz written 10.06.1952

Letter to Stefan Żółkiewski written in 23.12.1965 (a)

Letter to Zofia Lissa written 30.03.1954

Letter from Stefan Żółkiewski written in 22.02.1966

Letter from Henryk Elzenberg written 07.12.1947

Letter from Stefan Żółkiewski written in 26.11.1965

Letter from Irena Krońska written in 10.11.1954