| Synonym | Encoding |
|---|---|
| Eng | ISO 639-2 |
| English; Spanish | AKM Digital Repository |
| Inglés | RECOLECTA |
| Inglês | USP |
| anglais | NAKALA |
| en | iso639-1 |
| en fr | Érudit |
| en-AU | DRIVER |
| en-GB | DRIVER |
| en-ca | DRIVER |
| en-us | DRIVER |
| en_au | DRIVER |
| en_en | DRIVER |
| en_gb | DRIVER |
| en_nz | DRIVER |
| en_us | DRIVER |
| eng ## fre ## it | NAKALA |
| eng ## lat | English |
| eng | spa | NAKALA |
| eng-fre | CERN Document Server |
| english | DRIVER |
| http://lexvo.org/id/iso639-3/eng | NAKALA |
| http://www.lexvo.org/id/iso639-3/eng | NAKALA |
| Английски | Български портал за отворена наука |