Historic Addressbooks Addressbook entry for Leonhard KEULEN
| addressbook.entry.title | Dr. |
|---|---|
| Family name | Keulen |
| Given name | Leonhard |
| Occupation | Gymnasial-Oberlehrer |
| Address | Bonnerstr. 26d |
| Place | Düren |
| Source |
Dürener Adressbuch 1882, Seite 42 |
