<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">helmets</topic></authority><related type="narrower"><topic>helmet components</topic></related><related type="narrower"><topic>hard hats</topic></related><related type="narrower"><topic>crash helmets</topic></related><related type="narrower"><topic>[body armor for the head]</topic></related><related type="narrower"><topic>fire hats</topic></related><related type="narrower"><topic>topees</topic></related><related type="narrower"><topic>caschetti</topic></related><related type="narrower"><topic>parade helmets</topic></related><related type="narrower"><topic>police helmets</topic></related><related type="narrower"><topic>aviator&apos;s helmets</topic></related><related type="narrower"><topic>plate helmets</topic></related><related type="broader"><topic>protective wear</topic></related><related type="broader"><topic>hats</topic></related><related type="broader"><topic>headgear</topic></related><related type="broader"><topic>body armor for the head</topic></related><related type="broader"><topic>sports clothing</topic></related><variant type="other"><topic>helmet</topic></variant><variant type="other"><topic>metal helmet</topic></variant><variant type="other"><topic>outer shell</topic></variant><variant type="other"><topic>outer shells</topic></variant><variant type="other"><topic>shells, outer</topic></variant> <note xml:lang="en"><![CDATA[ Any of various forms of protective coverings for the head, usually made of a hard material, including the outside steel layer of helmets that consist of inner and outer parts. ]]></note></mads>