Joseph Mahr – Adressbuch für Aachen und Burtscheid 1868
| Given name | Joseph |
|---|---|
| Family name | Mahr |
| Occupation | Klavierbauer |
| Address | Schildstr. 22 |
| Place | Aachen |
| GOV identifier | AachenJO30BS |
| Book | Adressbuch für Aachen und Burtscheid 1868 |
| page | 56 |
| Year | 1868 |
| Given name | Joseph |
|---|---|
| Family name | Mahr |
| Occupation | Klavierbauer |
| Address | Schildstr. 22 |
| Place | Aachen |
| GOV identifier | AachenJO30BS |
| Book | Adressbuch für Aachen und Burtscheid 1868 |
| page | 56 |
| Year | 1868 |