Ludwig Kalff – Aachener Adressbuch 1936
| Given name | Ludwig |
|---|---|
| Family name | Kalff |
| Occupation | Bergm. |
| Address | Hirschgraben 3 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 171 |
| Year | 1936 |
| Given name | Ludwig |
|---|---|
| Family name | Kalff |
| Occupation | Bergm. |
| Address | Hirschgraben 3 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1936 |
| page | 171 |
| Year | 1936 |