Johann Jacob Langen – Kölner Adress-Buch 1844
| Given name | Johann Jacob |
|---|---|
| Family name | Langen |
| Occupation | Stadtrath, Kaufmann, Associé der Fa. Carl Joest & Söhne |
| Address | Severinstr. 57 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 205 |
| Year | 1844 |