|  | Short Course in Mathematics |  | 
	
	  | 1. | The Difference Between Calculation and Operation | 19 October 1904 | 
	
	  | 2. | Ellipse, Hyperbola, Lemniscate, Circle | 26 October 1904 | 
	
	  | 3. | Trigonometry | 4 November 1904 | 
	
	  | 4. | Sine, Cosine, Tangent, Cotangent | 9 November 1904 | 
	
	  |  | The manifestation of the World-I |  | 
	
	  | 5. | The Fourth Dimension I | 21 August 1906 | 
	
	  | 6. | The Fourth Dimension II | 23 August 1906 | 
	
	  | 7. | The Fourth Dimension III | 25 August 1906 | 
	
	  | 8. | The Fourth Dimension IV | 27 August 1906 | 
	
	  | 9. | Christ And Luzifer | 31 August 1906 | 
	
	  | 10. | The Molten Sea | 31 August 1906 | 
	
	  | 11. | The Interconnection Between the Three Worlds and the Natural World | 1 September 1906 | 
	
	  | 12. | The Descent of Man | 3 September 1906 | 
	
	  | 13. | Light on the Path I | 4 September 1906 | 
	
	  | 14. | Light on the Path II | 5 September 1906 | 
	
	  | 15. | Elijah | 5 September 1906 | 
	
	  | 16. | The Power of God in the World and in Man | 10 September 1906 | 
	
	  | 17. | On the Creator's Word | 11 September 1906 | 
	
	  | 18. | The Meaning of Christ-Jesus | 12 September 1906 | 
	
	  | 19. | The World Center, Christ, The I | 13 September 1906 | 
	
	  | 20. | The Connection Between the Spiritual and Physical Worlds | 14 September 1906 | 
	
	  | 21. | The Meaning of the Golden Triangle | 15 September 1906 | 
	
	  | 22. | The Divine Breath | 16 September 1906 | 
	
	  | 23. | Evolution and Involution | 16 September 1906 | 
	
	  | 24. | Substance and Power | 18 September 1906 | 
	
	  | 25. | Power and Substance | 19 September 1906 | 
	
	  | 26. | Earth, Heart, Atom | 20 September 1906 | 
	
	  | 27. | Number and Revelation I | 21 September 1906 | 
	
	  | 28. | SNumber and Revelation II | 22 September 1906 | 
	
	  | 29. | The Spiral and Duality, Power and Revelation | 23 September 1906 | 
	
	  | 30. | The Zodiac and Man | 24 September 1906 | 
	
	  | 31. | Life, Revelation, Wisdom, Love | 24 September 1906 | 
	
	  | 32. | Prâna (The Life Force), The Fire | 25 September 1906 | 
	
	  | 33. | Prâna And More | 26 September 1906 | 
	
	  | 34. | The Spiral and Pi | 27 September 1906 | 
	
	  | 35. | The Three Worlds | 30 September 1906 | 
	
	  | 36. | The Human Being and Nutrition | 2 October 1906 | 
	
	  | 37. | The Eleventh and Twelfth Commandments | 4 October 1906 |