Ernst Effertz – Kölner Adress-Buch 1844
| Given name | Ernst |
|---|---|
| Family name | Effertz |
| Occupation | Geometer |
| Address | Appellhofplatz 2 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 153 |
| Year | 1844 |
| Given name | Ernst |
|---|---|
| Family name | Effertz |
| Occupation | Geometer |
| Address | Appellhofplatz 2 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 153 |
| Year | 1844 |