# Observers' manuals

{
  "id": "S2026001164",
  "title": "Observers' manuals",
  "url": "/topics/S2026001164",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "25277093b0a2517c",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "38350991986279458",
  "address_version": "morton4x16-v1",
  "coordinates": [
    0,
    483,
    2380,
    12288
  ],
  "answer_status": "Directory metadata; local answer requires separate source review",
  "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap"
}

Use as a topical subdivision under scientific topics for instruction books on making observations of natural phenomena.

Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh2026001164

No owner-reviewed local answer yet.