Jean Paul
| Dorette Spohr an Louis Spohr in Kassel | Dresden, Freitag 18. Januar 1822 | 1822011830 |
| Louis Spohr an Wilhelm Speyer in Offenbach | Kassel, Montag 19. April 1824 | 1824041902 |
| Xaver Keller an Louis Spohr in Kassel | Karlsruhe, Sonntag 28. April 1833 | 1833042847 |
| Moritz Hauptmann an Louis Spohr in Kassel | Leipzig, Montag 3. April(?) 1854 | 1854040333 |