Polish Academy of Science

Polish Academy of Science

Letter from Kazimierz Wyka written 14.07.1967

Invitation to scientific discussion written n/d

Letter from Stefan Morawski written 03.06.1964

Letter from Stefan Morawski written 30.11.1965

Letter from Jerzy Rudzki written 13.01.1965

Letter from Stefan Morawski written 27.10.1965

Letter to the Polish Academy of Science written 24.04.1969

Letter from Kazimierz Wyka written 28.08.1968

Letter to Stefan Morawski written 23.06.1967

Letter to the Polish Academy of Science written 07.03.1966

Letter to the Polish Academy of Science written 15.09.1964

Letter from Ksawery Piwocki written 11.11.1964