| Deutsch | deu-000 |
| Issel | |
| binisayang Sinugboanon | ceb-000 | Issel |
| English | eng-000 | Issel |
| Esperanto | epo-000 | Iselo |
| français | fra-000 | IJssel |
| français | fra-000 | Issel |
| italiano | ita-000 | Issel |
| latine | lat-000 | Isala |
| lengua lumbarda | lmo-000 | Issel |
| Nederlands | nld-000 | IJssel |
| Nederlands | nld-000 | Issel |
| Nederlands | nld-000 | Oude IJssel |
| polski | pol-000 | Issel |
| Volapük | vol-000 | Issel |