| English | eng-000 |
| Royal Geographical Society | |
| dansk | dan-000 | Royal Geographical Society |
| Deutsch | deu-000 | Royal Geographical Society |
| français | fra-000 | Royal Geographical Society |
| italiano | ita-000 | Royal Geographical Society |
| bokmål | nob-000 | Royal Geographical Society |
| polski | pol-000 | Royal Geographical Society |
| português | por-000 | Royal Geographical Society |
| svenska | swe-000 | Royal Geographical Society |