| ISO 639-3 | art-001 |
| nke | |
| ISO 639-3 Reference Names | art-289 | Duke |
| ISO 639-3 Print Names | art-290 | Duke |
| ISO 639-3 Inverted Names | art-291 | Duke |
| Ethnologue Primary Language Names | art-323 | Duke |
| Glottolog Languoid Names | art-326 | Duke |
| Glottocode | art-327 | duke1237 |
| Glottolog Primary Key | art-328 | 42054 |
| Ethnologue Language Names | art-330 | Duke |
| Ethnologue Language Names | art-330 | Kolombangara |
| Ethnologue Language Names | art-330 | Ndughore |
| Ethnologue Language Names | art-330 | Nduke |
| English | eng-000 | Duke |