outgoing correspondence

outgoing correspondence

Letter to Stefan Żółkiewski written in 21.10.1966

Letter to the Polish Academy of Science written 04.06.1966

Letter to Kazimierz Twardowski written 28.02.1924

Letter to Irena Krońska written in 12.01.1955

Letter to the State Publishing Institute written 10.12.1951

Letter from Zofia Lissa written 01.06.1959

Letter to the Committee of the Library of Classics of Philosophy written 03.06.1955

Letter to Kazimierz Twardowski written 19.08.1925

Postcard to Kazimierz Twardowski written 19.08.1924

Letter to Kazimierz Twardowski written 21.02.1926

Letter to Władysław Tatarkiewicz written 29.05.1967

Letter to the National Scientific Publishers written 31.01.1963