J. B. Erhard – Adressbuch Berlin 1820
| Given name | J. B. |
|---|---|
| Family name | Erhard |
| Title | Dr. med. |
| Address | Gertrautenstraße 14 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 97 |
| Year | 1820 |
| Given name | J. B. |
|---|---|
| Family name | Erhard |
| Title | Dr. med. |
| Address | Gertrautenstraße 14 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 97 |
| Year | 1820 |