Johann Baptist Mager – Kölner Adress-Buch 1844
| Given name | Johann Baptist |
|---|---|
| Family name | Mager |
| Occupation | Waagen- u. Gewichtmacher, Eisenwaarenhandel Fa. Math. Mager |
| Address | Große Sandkaul 12 |
| Place | Köln |
| GOV identifier | KOLOLNJO30LW |
| Book | Kölner Adress-Buch 1844 |
| page | 213 |
| Year | 1844 |