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The Rudolf Steiner Archive

a project of Steiner Online Library, a public charity

GA 324a

No. Lecture Title Book Title Date City
1. First Lecture The Fourth Dimension 24 Mar 1905 Berlin
2. Second Lecture The Fourth Dimension 31 Mar 1905 Berlin
3. Third Lecture The Fourth Dimension 17 May 1905 Berlin
4. Fourth Lecture The Fourth Dimension 24 May 1905 Berlin
5. Fifth Lecture The Fourth Dimension 31 May 1905 Berlin
6. Sixth Lecture The Fourth Dimension 7 Jun 1905 Berlin
7. Four-Dimensional Space The Fourth Dimension 7 Nov 1905 Berlin
8. On Higher-Dimensional Space The Fourth Dimension 22 Oct 1908 Berlin
10. Questions and Answers I The Fourth Dimension 2 Sep 1906 Stuttgart
11. Questions and Answers II The Fourth Dimension 28 Jun 1908 Nuremberg
12. Questions and Answers III The Fourth Dimension 21 Apr 1909 Düsseldorf
13. Questions and Answers IV The Fourth Dimension 22 Apr 1909 Düsseldorf
14. Questions and Answers V The Fourth Dimension 2 Nov 1910 Berlin
15. Questions and Answers VI The Fourth Dimension 1 Oct 1911 Basel
16. Questions and Answers VII The Fourth Dimension 25 Nov 1912 Munich
17. Questions and Answers VIII The Fourth Dimension 13 Feb 1913 Berlin
18. Questions and Answers IX The Fourth Dimension 27 Nov 1913 Berlin
19. Questions and Answers X The Fourth Dimension 2 Apr 1905 Stuttgart
20. Questions and Answers XI The Fourth Dimension 7 Mar 1920 Stuttgart
21. Questions and Answers XII The Fourth Dimension 7 Mar 1920 Stuttgart
22. Questions and Answers XIII The Fourth Dimension 11 Mar 1920 Dornach
23. Questions and Answers XIV The Fourth Dimension 11 Mar 1920 Dornach
24. Questions and Answers XV The Fourth Dimension 30 Mar 1920 Dornach
25. Questions and Answers XVI The Fourth Dimension 31 Mar 1920 Dornach
26. Questions and Answers XVII The Fourth Dimension 15 Oct 1920 Dornach
27. Questions and Answers XVIII The Fourth Dimension 15 Jan 1921 Stuttgart
28. Questions and Answers XIX The Fourth Dimension 7 Apr 1921 Dornach
29. Questions and Answers XX The Fourth Dimension 26 Aug 1921 Dornach
30. Questions and Answers XXI The Fourth Dimension 12 Apr 1922 The Hague
31. Questions and Answers XXII The Fourth Dimension 29 Dec 1922 Dornach