# Hazardous substances--Safety measures--Handbooks, manuals, etc. { "id": "S2008105499", "title": "Hazardous substances--Safety measures--Handbooks, manuals, etc.", "url": "/topics/S2008105499", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "7df964edbcb355b7", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "5512559901869761056", "address_version": "morton4x16-v1", "coordinates": [ 0, 478, 50440, 27648 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh2008105499 No owner-reviewed local answer yet.