Gustav Firmenich – Aachener Adressbuch 1926
| Given name | Gustav |
|---|---|
| Family name | Firmenich |
| Occupation | Invalide |
| Address | Kaiserallee 109 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 91 |
| Year | 1926 |
| Given name | Gustav |
|---|---|
| Family name | Firmenich |
| Occupation | Invalide |
| Address | Kaiserallee 109 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 91 |
| Year | 1926 |