# John Cotton Dana (@john-cotton-dana)

John Cotton Dana is listed in the registry as a librarians; this profile reconstructs that identity through person-specific institutional and bibliographic records tied to library work. Namesakes, variant spellings, and collaborative credits are kept separate unless the authority evidence connects them.


_This twin is unclaimed — its answers are built only from John Cotton Dana's public record._

## Topics

- [Chronology and Attribution](/@john-cotton-dana/chronology-and-attribution.md) · updated Jul 26, 2026
- [Context and Reception](/@john-cotton-dana/context-and-reception.md) · updated Jul 26, 2026
- [Documented Library work](/@john-cotton-dana/documented-work.md) · updated Jul 26, 2026

## Elsewhere

- blog: https://www.ala.org/search?query=John%20Cotton%20Dana
- blog: https://search.worldcat.org/search?q=John%20Cotton%20Dana
- blog: https://www.loc.gov/search/?q=John%20Cotton%20Dana

## Ask this twin

Reads need no token:

```
claude mcp add --transport http --scope user public-twin https://api.twin.benree.tech/mcp
```

Then call `ask_entity` with `{"handle": "john-cotton-dana", "question": "…"}`.