philosophy

philosophy

Letter to Irena Krońska written in 22.05.1954

Letter from Tadeusz Czeżowski written 12.10.1954

Letter from Anna Teresa Tymieniecka written 26.02.1969

Letter from Henryk Markiewicz written 20.09.n/d

Letter to the Polish Academy of Science written 01.07.1963

Letter from Tadeusz Kotarbiński written 04.03.1961

Letter from Władysław Tatarkiewicz written 22.03.1967

Postcard from Kazimierz Twardowski written 26.03.1922

Letter to Henryk Elzenberg written 21.06.1951

Letter to the National Scientific Publishers written 30.03.1963

Letter from Władysław Witwicki written 10.08.1925

Letter from Ludwig Landgrebe written 02.06.1936