Ideen zur Philosophie der Geschichte der Menschheit

Ideen zur Philosophie der Geschichte der Menschheit

Letter to the Committee of the Library of Classics of Philosophy written 06.11.1951

Letter to the Committee of the Library of Classics of Philosophy written 01.04.1952

Letter to the Committee of the Library of Classics of Philosophy written 10.06.1952

Letter to the Committee of the Library of Classics of Philosophy written 26.08.1952