J. M. Heldt – Adressbuch Berlin 1820
| Given name | J. M. |
|---|---|
| Family name | Heldt |
| Occupation | Lagergehülfe b. d. Porzellan-Manufaktur |
| Address | Leipzigerstraße 113 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 165 |
| Year | 1820 |
| Given name | J. M. |
|---|---|
| Family name | Heldt |
| Occupation | Lagergehülfe b. d. Porzellan-Manufaktur |
| Address | Leipzigerstraße 113 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 165 |
| Year | 1820 |