Joh. Olbertz – Aachener Adressbuch 1936
| Given name | Joh. |
|---|---|
| Family name | Olbertz |
| Occupation | städt. Arb. |
| Address | Trierer Str. 221 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 272 |
| Year | 1936 |
| Given name | Joh. |
|---|---|
| Family name | Olbertz |
| Occupation | städt. Arb. |
| Address | Trierer Str. 221 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 272 |
| Year | 1936 |