J. Helm – Adressbuch Berlin 1820
| Given name | J. |
|---|---|
| Family name | Helm |
| Occupation | pens. Backmeister |
| Address | Orangenstraße 12 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 166 |
| Year | 1820 |
| Given name | J. |
|---|---|
| Family name | Helm |
| Occupation | pens. Backmeister |
| Address | Orangenstraße 12 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 166 |
| Year | 1820 |