| Christian Rudolph Wessel an Louis Spohr in Kassel |
London, Sonnabend 26. Juli 1834 | 1834072656 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
Hannover, Freitag 4. November 1842 | 1842110456 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
Hannover, Sonnabend 17. Dezember 1842 | 1842121756 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
Hannover, Montag 26. Dezember 1842 | 1842122656 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
Bassum, Freitag 24. Februar 1843 | 1843022456 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
London, Donnerstag 24. Februar 1848 | 1848022456 |
| Christian Rudolph Wessel an Louis Spohr in London |
London, Sonnabend 10. Juli 1852 | 1852071056 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
London, Freitag 10. Dezember 1852 | 1852121056 |
| Christian Rudolph Wessel an Louis Spohr in Kassel |
London, Freitag 3. Juni 1853 | 1853060356 |
| Christian Rudolph Wessel an Louis Spohr in London |
London, Montag 4. Juli 1853 | 1853070456 |
