R. Keller – Duisburger Adreß-Buch 1884
| Given name | R. |
|---|---|
| Family name | Keller |
| Occupation | Lehrer |
| Address | Sonnenwall 40 |
| Place | Duisburg |
| GOV identifier | DUIURGJO31JK |
| Book | Duisburger Adreß-Buch 1884 |
| page | 151 |
| Year | 1884 |
| Given name | R. |
|---|---|
| Family name | Keller |
| Occupation | Lehrer |
| Address | Sonnenwall 40 |
| Place | Duisburg |
| GOV identifier | DUIURGJO31JK |
| Book | Duisburger Adreß-Buch 1884 |
| page | 151 |
| Year | 1884 |