Robert Ritzenhoff – Adreßbuch der Stadt Krefeld-Uerdingen a. Rh. 1931-32
| Given name | Robert |
|---|---|
| Family name | Ritzenhoff |
| Occupation | Ob.-Ingen. |
| Address | Duisburger Str. 151 |
| Place | Uerdingen |
| GOV identifier | UERGENJO31HI |
| Book | Adreßbuch der Stadt Krefeld-Uerdingen a. Rh. 1931-32 |
| page | 339 |
| Year | 1931 |