| ISO 639-3 | art-001 |
| ppq | |
| ISO 639-3 Reference Names | art-289 | Pei |
| ISO 639-3 Print Names | art-290 | Pei |
| ISO 639-3 Inverted Names | art-291 | Pei |
| Ethnologue Primary Language Names | art-323 | Pei |
| Glottolog Languoid Names | art-326 | Pei |
| Glottocode | art-327 | peii1238 |
| Glottolog Primary Key | art-328 | 35315 |
| Ethnologue Language Names | art-330 | Pai |
| Ethnologue Language Names | art-330 | Pei |
| English | eng-000 | Pei |