| italiano | ita-000 |
| Geological Society of London | |
| Deutsch | deu-000 | Geological Society of London |
| English | eng-000 | Geological Society of London |
| français | fra-000 | Geological Society of London |
| Nederlands | nld-000 | Geological Society |
| português | por-000 | Sociedade Geológica de Londres |
| español | spa-000 | Geological Society of London |