# athletes Source Trail

From @sifan-hassan's public twin · updated Jul 26, 2026 · profile: [/@sifan-hassan.md](/@sifan-hassan.md)

Research in the registry category athletes can begin with the person-specific authority and bibliographic trails for Sifan Hassan. WorldCat can surface relevant works and subjects, while VIAF and the Library of Congress can help disambiguate creators and named persons; none of these search pages establishes an unreviewed category claim.

## Related

- [Research Boundaries](/@sifan-hassan/research-boundaries.md) · 3 shared sources
- [Identity Resolution](/@sifan-hassan/identity-resolution.md) · 2 shared sources