academic work

academic work

Letter to Kazimierz Twardowski written 17.10.1927

Letter to Kazimierz Twardowski written 26.10.1919

Letter to Kazimierz Twardowski written 09.09.1934

Letter from Władysław Witwicki written 13.01.1937

Letter to Kazimierz Twardowski written 20.03.1925

Letter to Władysław Tatarkiewicz written 09.01.1969

Letter from Kazimierz Ajdukiewicz written 10.03.1928

Letter from Felix Kaufmann written 09.10.1934 (a)

Letter from Władysław Witwicki written 20.07.1927

Letter from Stefan Żółkiewski written in 12.07.1962

Letter from Jan Patočka written 25.08.1945

Postcard from Stefan Szuman written 12.06.1942