| The Nature of Spiritual Science and Its Significance for the Present | October 20, 1910 | |
| The Nature of Sleep | November 24, 1910 | |
| How Does One Attain Knowledge of the Spiritual World? | December 15, 1910 | |
| Predisposition, Talent and Education of Human Beings | January 12, 1911 | |
| What Has Astronomy to Say about the Origin of the World? | March 16, 1911 |
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