Lehrerseminar <Oldenburg>
| August Pott an Louis Spohr in Kassel | Oldenburg, Montag 2. Dezember 1833 | 1833120237 |
| August Pott an Louis Spohr in Kassel | Oldenburg, Montag 2. Dezember 1833 | 1833120237 |
| August Pott an Louis Spohr in Kassel | Oldenburg, Montag 2. Dezember 1833 | 1833120237 |
| August Pott an Louis Spohr in Kassel | Oldenburg, Montag 2. Dezember 1833 | 1833120237 |