Johannes Claßen – Aachener Adressbuch 1926
| Given name | Johannes |
|---|---|
| Family name | Claßen |
| Title | Dr. |
| Occupation | Privatlehrer |
| Address | Boxgraben 125 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 52 |
| Year | 1926 |
| Given name | Johannes |
|---|---|
| Family name | Claßen |
| Title | Dr. |
| Occupation | Privatlehrer |
| Address | Boxgraben 125 |
| Place | Aachen |
| GOV identifier | AACHENJO30BS |
| Book | Aachener Adressbuch 1926 |
| page | 52 |
| Year | 1926 |