| ISO 639-3 | art-001 |
| cro | |
| ISO 639-3 Reference Names | art-289 | Crow |
| ISO 639-3 Print Names | art-290 | Crow |
| ISO 639-3 Inverted Names | art-291 | Crow |
| Ethnologue Primary Language Names | art-323 | Crow |
| Glottolog Languoid Names | art-326 | Crow |
| Glottocode | art-327 | crow1244 |
| Glottolog Primary Key | art-328 | 36514 |
| UNESCO Atlas of the World’s Languages in Danger ID | art-329 | 883 |
| Ethnologue Language Names | art-330 | Apsaalooke |
| Ethnologue Language Names | art-330 | Crow |
| 普通话 | cmn-000 | 克劳语 |
| English | eng-000 | Crow |
| français | fra-000 | crow |
| español | spa-000 | absáraca |
| español | spa-000 | crow |