# Handkerchief codes { "id": "S00003702", "title": "Handkerchief codes", "url": "/topics/S00003702", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "147bbd5fbf33a9a3", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9802225326464712708", "address_version": "morton4x16-v1", "coordinates": [ 0, 0, 57, 55296 ], "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 codes used primarily by gay men to indicate their preferred sexual interests and practices by the color and placement of handkerchiefs in their pockets. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh00003702 No owner-reviewed local answer yet.