C. A. Heydrich – Adressbuch Berlin 1820
| Given name | C. A. |
|---|---|
| Family name | Heydrich |
| Occupation | Geh. Secretair |
| Address | Wallstraße 11 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 175 |
| Year | 1820 |
| Given name | C. A. |
|---|---|
| Family name | Heydrich |
| Occupation | Geh. Secretair |
| Address | Wallstraße 11 |
| Place | Berlin |
| GOV identifier | BERLINJO62PM |
| Book | Adressbuch Berlin 1820 |
| page | 175 |
| Year | 1820 |