Johannes Classen – Kölner Adress-Buch 1844
| Given name | Johannes |
|---|---|
| Family name | Classen |
| Occupation | Eau de Cologne-Handel Fa. C. F. M. Farina |
| Address | Unter Fettenhennen 2 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 144 |
| Year | 1844 |