Polish Academy of Science

Polish Academy of Science

Letter to the Polish Academy of Science written 24.09.1969

Letter to the Polish Academy of Science written 18.01.1965

Letter from Kazimierz Wyka, Bronisław Baczko and Witold Kula written 16.12.1966

Letter from Henryk Markiewicz written 15.07.1963

Letter to the Polish Academy of Science written 15.09.1964

Letter from Witold Nowacki written 31.08.1969

Letter to the Polish Academy of Science written 22.04.1965

Letter from Stanisław Urbańczyk written 22.02.1965

Letter to the Polish Academy of Science written 10.09.1963

Letter from Stefan Żółkiewski written in 19.03.1968

Letter to the Polish Academy of Science written 07.03.1966

Letter from Stefan Żółkiewski written in n.d.