USA

USA

Letter from Władysław Tatarkiewicz written 05.07.1967

Letter from Manfred Kridl written 9/11/1946

Letter to the Polish Academy of Science written 05.03.1969

Letter from Irena Sławińska written 11/17/1968

Letter from Władysław Tatarkiewicz written 14.03.1968

Letter from Irena Sławińska written 10/31/????

Postcard from Władysław Tatarkiewicz written 22.11.1967

Letter to Władysław Tatarkiewicz written 15.10.1962

Letter to Tadeusz Kotarbiński written 23.02.1961

Letter from Władysław Tatarkiewicz written 12.02.1968

Letter from Irena Sławińska written 31.01.1959

Letter to Władysław Tatarkiewicz written 20.05.1961