Exact source
Must point to a specific work, edition, or clearly verifiable entry; title, author, year, or edition note should match the work.
Production Governance
Upgrades link checking into edition identity verification and separates exact sources, lookup entries, index entries, and pending states.
Must point to a specific work, edition, or clearly verifiable entry; title, author, year, or edition note should match the work.
Search pages, directory pages, or library indexes must be labeled as lookup entries, not exact sources.
Check title, author, year, translator, publication/scan source, and rights notes; an Internet Archive scan proves visibility, not copy permission.