| Deutsch | deu-000 |
| ERIC | |
| català | cat-000 | ERIC |
| English | eng-000 | ERIC |
| English | eng-000 | Educational Resources Information Center |
| euskara | eus-000 | ERIC |
| français | fra-000 | ERIC |
| galego | glg-000 | ERIC |
| italiano | ita-000 | ERIC |
| 日本語 | jpn-000 | ERIC |
| 日本語 | jpn-000 | エリック |
| português | por-000 | ERIC |
| español | spa-000 | ERIC |