| eesti | ekk-000 |
| Carl Engel | |
| Deutsch | deu-000 | Carl Ludwig Engel |
| English | eng-000 | Carl Ludvig Engel |
| Esperanto | epo-000 | Carl Ludwig Engel |
| suomi | fin-000 | Carl Ludvig Engel |
| français | fra-000 | Carl Ludwig Engel |
| Ido | ido-000 | Carl Ludwig Engel |
| italiano | ita-000 | Carl Ludwig Engel |
| русский | rus-000 | Карл Людвиг Энгель |
| español | spa-000 | Carl Ludvig Engel |
| svenska | swe-000 | Carl Ludvig Engel |