Otto Merckens – Adreßbuch der Stadt Eschweiler 1907
| Given name | Otto |
|---|---|
| Family name | Merckens |
| Title | Dr. |
| Occupation | Handelschemiker |
| Address | Poststr. 5 |
| Place | Eschweiler |
| GOV identifier | ESCLERJO31BA |
| Book | Adreßbuch der Stadt Eschweiler 1907 |
| page | 112 |
| Year | 1907 |
| Given name | Otto |
|---|---|
| Family name | Merckens |
| Title | Dr. |
| Occupation | Handelschemiker |
| Address | Poststr. 5 |
| Place | Eschweiler |
| GOV identifier | ESCLERJO31BA |
| Book | Adreßbuch der Stadt Eschweiler 1907 |
| page | 112 |
| Year | 1907 |