archive

archive

Letter from Irena Krońska written in 18.03.1947

Letter from Tadeusz Czeżowski written 14.10.1954

Letter from Henryk Mehlberg written in 08.05.1947

Letter to Henryk Markiewicz written 22.02.1964

Attachment to letter to the Committee of the Library of Classics of Philosophy written 30.09.1952

Postcard from Stefan Szuman written 24.10.1938

Letter from Kazimierz Ajdukiewicz written 6/19/1948

Posctard from Juliusz Kleiner written 07.10.1947

Letter to Mieczysław Wallis written 22.01.1962

Postcard from Juliusz Kleiner written 08.01.1949

Letter to the Polish Academy of Science written 10.09.1963

Letter from Anna Teresa Tymieniecka written 30.09.1968