PAN

PAN

Letter from Stefan Morawski written N/D

Letter to Władysław Tatarkiewicz written N/D (b)

Letter to Władysław Tatarkiewicz written 02.03.1963

Letter to Władysław Tatarkiewicz written 23.03.1953

Letter to Stefan Żółkiewski written in 23.12.1965 (a)

Letter to the Polish Academy of Science written 11.03.1965

Letter from Jerzy Rudzki written 13.01.1965

Invitation to scientific discussion written n/d

Protocol from the meeting of the PPS Board 12.05.1957

Letter to Władysław Tatarkiewicz written 24.05.1966

Letter to the Polish Academy of Science written 05.03.1969

Letter from Ksawery Piwocki written 11.11.1964