Johannes Geffcken – Rostocker Adressbuch 1924
| Given name | Johannes |
|---|---|
| Family name | Geffcken |
| Title | Dr. |
| Address | St. Georgenstr. 70 |
| Place | Rostock |
| GOV identifier | ROSOCKJO64BC |
| Book | Rostocker Adressbuch 1924 |
| page | 103 |
| Year | 1924 |
| Given name | Johannes |
|---|---|
| Family name | Geffcken |
| Title | Dr. |
| Address | St. Georgenstr. 70 |
| Place | Rostock |
| GOV identifier | ROSOCKJO64BC |
| Book | Rostocker Adressbuch 1924 |
| page | 103 |
| Year | 1924 |