Heinrich Contzen – Adreßbuch der Stadt Düren 1910
| Given name | Heinrich |
|---|---|
| Family name | Contzen |
| Occupation | Kaufmann, Inhaber der Firma Johann Contzen |
| Address | Ahrweilerplatz 3 |
| Place | Düren |
| GOV identifier | DURRENJO30FT |
| Book | Adreßbuch der Stadt Düren 1910 |
| page | 19 |
| Year | 1910 |