introduction

introduction

Letter to the National Scientific Publishers written 30.03.1963

Letter to Irena Krońska written in 24.01.1955

Letter to the Committee of the Library of Classics of Philosophy written 30.09.1954

Letter to Irena Krońska written in 21.12.1954

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

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

Letter from Irena Krońska written in 19.01.1955

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

Letter from Irena Krońska written in 24.07.1954

Letter to Irena Krońska written in 29.10.1954

Letter from Irena Krońska written in 17.11.1954

Letter from Irena Krońska written in 10.01.1955