| italiano | ita-000 |
| Society for Psychical Research | |
| Deutsch | deu-000 | Society for Psychical Research |
| English | eng-000 | Society for Psychical Research |
| suomi | fin-000 | Society for Psychical Research |
| 日本語 | jpn-000 | 心霊現象研究協会 |
| Nederlands | nld-000 | Society for Psychical Research |
| bokmål | nob-000 | Selskapet for Psykisk Forskning |