| polski | pol-000 |
| Mettmann | |
| Deutsch | deu-000 | Mettmann |
| eesti | ekk-000 | Mettmann |
| English | eng-000 | Mettmann |
| Esperanto | epo-000 | Mettmann |
| français | fra-000 | Mettmann |
| lengua lumbarda | lmo-000 | Mettmann |
| Nederlands | nld-000 | Mettmann |
| русский | rus-000 | Меттман |
| Volapük | vol-000 | Mettmann |