| brezhoneg | bre-000 |
| klotadouriezh | |
| Deutsch | deu-000 | Harmonielehre |
| English | eng-000 | harmonics |
| Esperanto | epo-000 | harmoniko |
| français | fra-000 | harmonie |
| magyar | hun-000 | összhangzattan |
| Nederlands | nld-000 | harmonie |
| português | por-000 | harmonia |
| русский | rus-000 | гармоника |
| español | spa-000 | armonía |