Diedrich Koch – Dortmunder Adressbuch 1894
| Given name | Diedrich |
|---|---|
| Family name | Koch |
| Occupation | Buchhaendler, Inhaber der Firma Ch. Garms'sche Buchhandlung (D. Koch) |
| Address | Betenstrasse 20 |
| Place | Dortmund |
| GOV identifier | DORUNDJO31RM |
| Book | Dortmunder Adressbuch 1894 |
| page | |
| Year | 1894 |