Louis Spohr an Adolph Hesse in Breslau | Kassel, Montag 8. Mai 1848 | 1848050801 |
Moritz Hauptmann an Louis Spohr in Kassel | Leipzig, Donnerstag 15. Juni 1848 | 1848061533 |
Louis Spohr an Wilhelm Spohr in Braunschweig | Kassel, Dienstag 12. September 1848 | 1848091200 |