| ISO 639-2/T | art-002 |
| gla | |
| ISO 639-3 | art-001 | gla |
| ISO 639-2/B | art-003 | gla |
| ISO 639-1 | art-004 | gd |
| ISO 639-3 Reference Names | art-289 | Scottish Gaelic |
| ISO 639-3 Print Names | art-290 | Gaelic |
| ISO 639-3 Print Names | art-290 | Scottish Gaelic |
| ISO 639-3 Inverted Names | art-291 | Gaelic |
| ISO 639-3 Inverted Names | art-291 | Gaelic, Scottish |