Polish Academy of Sciences

Polish Academy of Sciences

Letter from Stefan Żółkiewski written in 12.07.1962

Letter to Stefan Żółkiewski written in 07.05.1964

Letter from Stefan Żółkiewski written in 27.10.1966

Letter to Władysław Tatarkiewicz written 24.05.1966

Protocol from the meeting of the PPS Board 12.05.1957

Letter to Władysław Tatarkiewicz written 28.04.1970

Letter from Tadeusz Kotarbiński written 07.02.1966

Letter to Henryk Elzenberg written 06.06.1951

Letter to Władysław Tatarkiewicz written 02.03.1963

Letter to Władysław Tatarkiewicz written 27.10.1961

Letter from Stefan Żółkiewski written in 20.01.1966

Letter from Zofia Lissa written 27.01.1968