Archive of Science PAN in Cracow

Archive of Science PAN in Cracow

Letter to the Polish Academy of Science written 05.03.1969

Letter from Irena Krońska written in 27.09.1965

Letter to the Committee of the Library of Classics of Philosophy written 26.05.1954

Letter from Ksawery Piwocki written 27.12.1964

Letter to Irena Krońska written in 22.03.1954

Letter from Henryk Mehlberg written in 20.04.1947

Letter from Irena Krońska written in 27.03.1954

Letter to the National Scientific Publishers written 08.01.1964

Letter to the Polish Academy of Science written 24.10.1963

Letter from Maria Turowicz written 18.07.1969

Letter from Irena Krońska written in 09.05.1947

Letter from Stefan Żółkiewski written in n.d.