Johann Baptist Firmenich – Kölner Adreß-Buch 1846
| Given name | Johann Baptist |
|---|---|
| Family name | Firmenich |
| Occupation | Kaufmann |
| Address | Mühlenbach 20 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | |
| Year | 1846 |
| Given name | Johann Baptist |
|---|---|
| Family name | Firmenich |
| Occupation | Kaufmann |
| Address | Mühlenbach 20 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adreß-Buch 1846 |
| page | |
| Year | 1846 |