introduction

introduction

Letter to the National Scientific Publishers written 30.03.1963

Letter from Irena Krońska written in 13.12.1954

Letter to the Committee of the Library of Classics of Philosophy written 29.05.1954

Letter to the Committee of the Library of Classics of Philosophy written 17.12.1954

Letter to Irena Krońska written in 22.03.1954

Letter from Irena Krońska written in 19.01.1955

Letter to the Committee of the Library of Classics of Philosophy written 03.12.1964

Letter to the Committee of the Library of Classics of Philosophy written 29.10.1964

Letter to Irena Krońska written in 24.01.1955