Polish researchers

Polish researchers

Letter to Kazimierz Twardowski written 01.03.1933

Letter from Władysław Witwicki, n/d A

Postcard to Kazimierz Twardowski written 31.03.1922

Postcard from Stefan Morawski written 03.01.1962

Postcard from Stefan Szuman written 12.01.1939

Letter to Władysław Tatarkiewicz written 17.11.1954

Plans for research

Letter to Władysław Tatarkiewicz written 10.07.1957

Letter from Wacław Borowy written 14.11.1921

Letter from Stefan Szuman written 03.03.1942

Letter from Władysław Witwicki written 01.10.1921

Letter from Kazimierz Twardowski written 29.01.1925