| English | eng-000 |
| researches | |
| toskërishte | als-000 | kërkimet |
| العربية | arb-000 | البحوث |
| čeština | ces-000 | výzkumy |
| 普通话 | cmn-000 | 研究工作 |
| 普通话 | cmn-000 | 研究报告 |
| Cymraeg | cym-000 | ymchwilion |
| Deutsch | deu-000 | forscht |
| Deutsch | deu-000 | untersucht |
| English | eng-000 | development work |
| English | eng-000 | memoir |
| English | eng-000 | research effort |
| English | eng-000 | research report |
| English | eng-000 | research work |
| hrvatski | hrv-000 | istraživanja |
| italiano | ita-000 | indagine |
| فارسی | pes-000 | کشفیات |