# Stone boiling { "id": "S91005101", "title": "Stone boiling", "url": "/topics/S91005101", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "ffc5081888c6849e", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "13892488022575940162", "address_version": "morton4x16-v1", "coordinates": [ 0, 21, 45698, 46080 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on heating or boiling liquid or food by placing the liquid or food in a container and dropping in heated stones. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh91005101 No owner-reviewed local answer yet.