Lauchstädt
| Carl Witzel an Louis Spohr in Gotha | Weimar, Sonnabend 8. April 1809 | 1809040844 |
| Louis Spohr an Karl Julius Schütz in Weißenfels | Merseburg, Sonntag 6. August 1815 | 1815081517 |
| Carl Witzel an Louis Spohr in Gotha | Weimar, Sonnabend 8. April 1809 | 1809040844 |
| Louis Spohr an Karl Julius Schütz in Weißenfels | Merseburg, Sonntag 6. August 1815 | 1815081517 |