Heinrich Mertens – Aachener Adressbuch 1936
| Given name | Heinrich |
|---|---|
| Family name | Mertens |
| Occupation | Kaufm. |
| Address | Ludwigsallee 43 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 243 |
| Year | 1936 |
| Telefonnummer | 24113 |
| Given name | Heinrich |
|---|---|
| Family name | Mertens |
| Occupation | Kaufm. |
| Address | Ludwigsallee 43 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 243 |
| Year | 1936 |
| Telefonnummer | 24113 |