outgoing correspondence

outgoing correspondence

Letter to Konstanty Michalski written 02.06.1947

Letter to Zofia Lissa written 21.05.1954

Letter to the Polish Academy of Science written 04.10.1964

Letter to Mieczysław Wallis written 03.08.1963

Letter to the Committee of the Library of Classics of Philosophy written 09.03.1954

Letter to the Committee of the Library of Classics of Philosophy written 23.01.1953

Letter to Władysław Tatarkiewicz written 10.05.1963

Letter to the National Scientific Publishers written 31.01.1963

Letter to Władysław Tatarkiewicz written 22.10.1957