lecture

lecture

Postcard from Tadeusz Czeżowski written 23.03.1967

Letter from Tadeusz Czeżowski written 21.01.1925

Letter from Kazimierz Ajdukiewicz written 14.06.1925

Letter from Kazimierz Ajdukiewicz written 19.06.1948

Letter from Władysław Witwicki written 08.01.1927

Letter to the Polish Academy of Science written 15.09.1964

Letter from Kazimierz Ajdukiewicz written 6/19/1948

Postcard from Tadeusz Czeżowski written 14.04.1969

Letter from Władysław Tatarkiewicz written 02.03.1967

Letter from Karol Wojtyła written N/D

Postcard to Władysław Tatarkiewicz written 24.06.1952

Letter from Władysław Tatarkiewicz written 23.10.1965