Hermann Billhardt – Aachener Adressbuch 1926
| Given name | Hermann |
|---|---|
| Family name | Billhardt |
| Occupation | Oberpostsekretär |
| Address | Frankenberger Str. 10 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 25 |
| Year | 1926 |
| Given name | Hermann |
|---|---|
| Family name | Billhardt |
| Occupation | Oberpostsekretär |
| Address | Frankenberger Str. 10 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 25 |
| Year | 1926 |