Source policy
Original papers, datasets, mission documents, government records, historical texts, and archival scans are preferred over summaries. Secondary sources may provide context but should not substitute for the underlying record.
| Status | Meaning |
|---|---|
| [SOURCE REQUIRED] | The claim is a placeholder and must not be treated as supported. |
| [CLAIM REQUIRES VERIFICATION] | A source may exist, but its accuracy, context, or relevance has not been checked. |
| [AUTHOR’S INTERPRETATION] | The statement is the project’s reasoning, not a direct finding of the cited source. |
| Verified | The source, passage, metadata, and relevance have been checked and linked. |
Corrections
Send the exact page, sentence, proposed correction, and supporting source. Substantive changes will include a dated note describing what changed and why.
The current launch version is a research framework. Many topic pages intentionally retain source-required notices.
Submit a correction