GA 166
| No. | Lecture Title | Book Title | Date | City |
|---|---|---|---|---|
| 1. | Lecture I | Necessity and Freedom | 25 Jan 1916 | Berlin |
| 2. | Lecture II | Necessity and Freedom | 27 Jan 1916 | Berlin |
| 3. | Lecture III | Necessity and Freedom | 30 Jan 1916 | Berlin |
| 4. | Lecture IV | Necessity and Freedom | 01 Feb 1916 | Berlin |
| 5. | Lecture V | Necessity and Freedom | 08 Feb 1916 | Berlin |