The Lecture given on 22nd March is printed first on account of its more fundamental character.
Authorized translation by D. S. Osmond, from shorthand reports unrevised by the lecturer, by permission of the Rudolf Steiner Nachlassverwaltung, Dornach, Switzerland and Rudolf Steiner Press, London.
The original German texts of these lectures can be found in the Collected Edition of Rudolf Steiner's works under the title: "Geisteswissenschaftliche Menschenkunde," No. 107 in the Bibliographical Survey, 1961.