| Louis Spohr an Ferdinand Böhme in Dordrecht |
Kassel, Montag 9. April 1849 |
1849040910 |
| Johann Friedrich Schwencke an Louis Spohr in Kassel |
Hamburg, Sonntag 26. August 1849 |
1849082643 |
| Otto Gerke an Louis Spohr in Kassel |
Detmold, Montag 21. Januar 1850 |
1850012150 |
| Louis Spohr an Bartholf Senff in Leipzig |
Kassel, Sonnabend 24. August 1850 |
1850082426 |
| Louis Spohr an Elise Schmezer in Braunschweig |
Kassel, Freitag 25. April 1851 |
1851042514 |
| Johann Friedrich Schwencke an Louis Spohr in Kassel |
Hamburg, Montag 5. April 1852 |
1852040543 |
| Louis Spohr an Ferdinand Böhme in Dordrecht |
Kassel, Donnerstag 20. April 1854 |
1854042010 |
| Carl Overweg an Louis Spohr in Kassel |
Naumburg an der Saale, Mittwoch 24. Januar 1855 |
1855012446 |
| Louis Spohr an August Theodor Whistling in Leipzig |
Kassel, Sonnabend 17. November 1855 |
1855111720 |
| Otto Gerke an Louis Spohr in Kassel |
Paderborn, Mittwoch 19. November 1856 |
1856111950 |
| Friedrich Wilhelm Markull an Louis Spohr in Kassel |
Berlin, Sonntag 10. Mai 1857 |
1857051044 |
