Alvars, Parish
| Ignaz Moscheles an Louis Spohr in Kassel | London, Sonnabend 16. April 1842 | 1842041642 |
| Moritz Hauptmann an Louis Spohr in Kassel | Leipzig, Dienstag 28. Februar 1843 | 1843022833 |
| Louis Spohr an Rosalie Spohr in Braunschweig | Kassel, Dienstag 24. September 1850 | 1850092400 |
| Louis Spohr an Eduard von Lannoy in Wien | Kassel, Dienstag 24. September 1850 | 1850092415 |
| Louis Spohr an Rosalie Spohr in Braunschweig | Kassel, Sonnabend 22. Mai 1852 | 1852052200 |