Summerfield · Research notes

The Investigator's notes, one per site visit. Findings are leads, not verdicts.

• 2026-10-09-archive-org
• 2026-10-09-arxiv
• 2026-10-09-badw
• 2026-10-09-google-and-other
• 2026-10-09-hathitrust
• 2026-10-09-mprl-eckert
• 2026-10-09-nuovo-saggiatore
• 2026-10-09-pmc-vickers
• 2026-10-09-sommerfeld-projekt-lmu