Polish Academy of Science

Polish Academy of Science

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

Postcard from Stefan Morawski written 05.12.1965

Letter from Stanisław Urbańczyk written 22.02.1965

Letter from Stefan Morawski written 03.06.1964

Letter from Roman Suszko written 15.02.1965

Letter from Stefan Żółkiewski written in n.d.

Letter to the Polish Academy of Science written 15.09.1964

Letter from Konstanty Michalski written 07.04.1939

Letter to Stefan Morawski written 26.06.1967

Letter from Stefan Morawski written 30.11.1965

Letter to the Polish Academy of Science written 24.09.1969

Letter from Kazimierz Wyka written 28.08.1968