Spohr, Louis : Lieder, Singst Kl, WoO 101
| August Pott an Louis Spohr in Kassel | Oldenburg, Freitag 28. Juni 1839 | 1839062837 |
| Louis Spohr an August Pott in Oldenburg | Kassel, Mittwoch 31. Juli 1839 | 1839073107 |
| Louis Spohr an August Pott in Oldenburg | Kassel, Montag 28. Oktober 1839 | 1839102807 |
| Louis Spohr an Wilhelm Speyer in Frankfurt am Main | Kassel, Dienstag 12. November 1839 | 1839111202 |