| Ido | ido-000 |
| Cologne | |
| English | eng-000 | Cologne |
| English | eng-000 | Columbia Heights |
| lengua lumbarda | lmo-000 | Cologne |
| Nederlands | nld-000 | Cologne |
| Nederlands | nld-000 | Columbia Heights |
| polski | pol-000 | Columbia Heights |
| português | por-000 | Cologne |
| Volapük | vol-000 | Cologne |