introduction

introduction

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

Attachment to letter to the Committee of the Library of Classics of Philosophy written 30.09.1952

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 29.05.1954

Letter to the Committee of the Library of Classics of Philosophy written 22.05.1954

Letter to the National Scientific Publishers written 30.03.1963

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

Letter to the Committee of the Library of Classics of Philosophy written 03.06.1955

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