PAN

PAN

Letter from Stanisław Urbańczyk written 22.02.1965

Letter to Władysław Tatarkiewicz written 23.03.1953

Certificate from Irena Krońska written in 10.06.1955

Letter from Kazimierz Wyka written 19.02.1967

Invitation to scientific discussion written n/d

Letter to the Polish Academy of Science written 07.03.1966

Letter to Władysław Tatarkiewicz written 29.04.1965

Letter to Władysław Tatarkiewicz written 09.12.1954

Letter to Władysław Tatarkiewicz written 02.03.1963

Letter from Stefan Żółkiewski written in 26.02.1964

Letter to Stefan Morawski written 23.06.1967

Letter to Stefan Żółkiewski written in 21.10.1966