From Mammoths to Mediums CW 350, sixteen lecture/discussions by Rudolf Steiner.  Given to the workmen at the Goetheanum between 30 May and 22 September 1923.  Translated by Anna Meuss, FIL, MTA
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		1. Lecture 1:      About repeated lives on earth.  Physical exercises, dancing and sport (May 30, 1923)
		2. Lecture 2:      How the etheric and astral principles work in man and earth (June 2, 1923)
		3. Lecture 3:      Blood circulation and movement of the heart.  Perceiving things of the spirit through the lens of the eye.  (June 6, 1923)
		4. Lecture 4:      Effects of light and color in earthly matter and in cosmic bodies (June 9, 1923)
		5. Lecture 5:      The way our guardian angel works (June 13, 1923)
		6. Lecture 6:      The deeper reasons for the disastrous World War (1) (June 16, 1923)
		7. Lecture 7:      Effects of relative star positions on the earth and on human beings (June 25, 1923)
		8. Lecture 8:      Developing independent thinking and the ability to think backwards (June 28, 1923)
		9. Lecture 9:      Creating boredom artifcially.  Opinions formed in the physical world are reversed in the other world (June 30, 1923)
		10. Lecture 10:  Developing inner honesty (July 7, 1923)
		11. Lecture 11:  Getting to be at home in the outside world.  Questions relating to nutrition.  Effects of potatoes, beetroot and radishes (July 18, 1923)
		12. Lecture 12:  Human and cosmic breathing.  The earth breathes light.  Fertilization in plants and humans; fertilization of water through lightning (July 20, 1923)
		13. Lecture 13:  How conscience developed in the course of human evolution.  Unbornness and immortality.  Aristotle and the Catholic church (July 25, 1923)
		14. Lecture 14:  Lung knowledge and kidney knowledge (July 28, 1923)
		15. Lecture 15:  Druid wisdom.  Mithraic rites.  Catholic ritual.  Masonic rites.  Ritual of the Christian Community.  (September 10, 1923)
		16. Lecture 16:  Role of protein, fats, carbohydrates and salts in nutrition.  Effects of potato diet.  Opponents of anthroposophy.  (September 22, 1923)