| español | spa-000 |
| celtismo | |
| luenga aragonesa | arg-000 | celtismo |
| asturianu | ast-000 | celtismu |
| Deutsch | deu-000 | Keltologie |
| English | eng-000 | Celtic studies |
| français | fra-000 | celtologie |
| galego | glg-000 | celtismo |
| Kartuli | kat-001 | keltologia |
| polski | pol-000 | celtologia |
| svenska | swe-000 | keltologi |