paper

paper

Letter from Konstanty Michalski written N/D

Letter from Irena Sławińska written 1/31/1959

Letter from Kazimierz Ajdukiewicz written 26.02.1961

Letter from Stefan Żółkiewski written in 26.11.1965

Letter from Irena Krońska written in 19.05.1954

Postcard to Kazimierz Twardowski written 21.04.1923

Letter from Kazimierz Twardowski written 06.02.1923

Letter to the Committee of the Library of Classics of Philosophy written 27.04.1954

Letter from Roman Suszko written 15.02.1965

Letter from Stefan Żółkiewski written in 03.01.1968

Postcard to Kazimierz Twardowski written 10.08.1937

Paper by Janina Makota presented 18.06.1956