| Deutsch | deu-000 |
| Berkelland | |
| English | eng-000 | Berkelland |
| Esperanto | epo-000 | Berkelland |
| français | fra-000 | Berkelland |
| Limburgs | lim-000 | Berkelland |
| Nedersaksisch | nds-001 | Berkelland |
| Nederlands | nld-000 | Berkelland |
| svenska | swe-000 | Berkelland |
| Volapük | vol-000 | Berkelland |