Hermann Claasen – Kölner Adress-Buch 1844
| Given name | Hermann |
|---|---|
| Family name | Claasen |
| Occupation | Kaufmann, Associé der Fa. J. J. Claasen Wilh. Sohn |
| Address | Trankgasse 31 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 144 |
| Year | 1844 |