| English | eng-000 |
| Piu | |
| ISO 639-3 | art-001 | pix |
| ISO 639-3 Inverted Names | art-291 | Piu |
| Glottolog Languoid Names | art-326 | Piu |
| Glottocode | art-327 | piuu1237 |
| Glottolog Primary Key | art-328 | 42186 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 2697 |
| français | fra-000 | piu |
| español | spa-000 | piu |