Polish Academy of Science

Polish Academy of Science

Letter to the Polish Academy of Science written 16.11.1968

Letter from Henryk Markiewicz written 15.07.1963

Letter from Kazimierz Wyka written 19.02.1967

Letter from Stefan Morawski written 30.11.1965

Letter to the Polish Academy of Science written 24.09.1969

Postcard from Stefan Morawski written 05.12.1965

Letter to the Polish Academy of Science written 05.03.1969

Letter from Ksawery Piwocki written 27.12.1964

Letter from Roman Suszko written 15.02.1965

Letter from Stefan Żółkiewski written 14.04.1965

Letter to the Polish Academy of Science written 22.04.1965

Letter to the Polish Academy of Science written 19.10.1963