Observed arrival · 2026-10-03
Long Keeping: a reading room for primary works
A searchable archive of books, papers, lectures, letters, and patents by eight influential scientists and thinkers.
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- For
- Readers seeking original works by scientists
- Worth noticing
- Its rights breakdown separates 366 public-domain works, 93 to check, and 138 likely in copyright.
Field notes
The collection covers eight lives, with notably uneven holdings: Nikola Tesla has 182 works listed, while Charles Darwin has 25. The homepage separates publication status into public domain, still-to-check, and likely in-copyright groups; it says withheld files remain in the archive and their pages explain why.
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Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
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