Archive.org Scholar
scholar.archive.org
Full-text search across 25 million open-access research papers.
Internet Archive Scholar indexes millions of open-access papers, preprints, and digitized works. It provides full-text search — not just metadata — across sources that Google Scholar often misses.
Why it is useful
Surfaces papers and documents that are invisible to mainstream academic search engines. Full-text indexing means you can find specific passages, not just titles.
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