GA 93
| Date | Title | City |
|---|---|---|
| 23 May 1904 | The Festival of Whitsun | Berlin |
| 10 Jun 1904 | Cain and Abel Contrasted | Berlin |
| 30 Sep 1904 | The Mystery of the Druids and Drottes | Berlin |
| 07 Oct 1904 | The Prometheus Saga | Berlin |
| 04 Nov 1904 | The Mystery of the Rosicrucians | Berlin |
| 11 Nov 1904 | The Manichees | Berlin |
| 02 Dec 1904 | On Freemasonry. The Temple Legend | Berlin |
| 09 Dec 1904 | On Freemasonry | Berlin |
| 16 Dec 1904 | On Higher Degrees of Freemasonry | Berlin |
| 23 Dec 1904 | Evolution and Involution | Berlin |
| 15 May 1905 | Dispute Among the Great Allegories | Berlin |
| 22 May 1905 | The Templar Order | Berlin |
| 29 May 1905 | The Symbol of the Cross | Berlin |
| 05 Jun 1905 | The Word Regained | Berlin |
| 21 Oct 1905 | The Logos and the Atom | Berlin |
| 22 Oct 1905 | Occultism and the Theosophical Movement | Berlin |
| 23 Oct 1905 | Freemasonry and the Development of Man | Berlin |
| 23 Oct 1905 | Freemasonry and the Woman | Berlin |
| 23 Oct 1905 | Theosophy, Esotericism, Occultism and Everyday Life | Berlin |
| 02 Jan 1906 | On Freemasonry | Berlin |