<?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">air shafts</topic></authority><related type="broader"><topic>shafts</topic></related><variant type="other"><topic>air shaft</topic></variant><variant type="other"><topic>air wells</topic></variant><variant type="other"><topic>airshafts</topic></variant><variant type="other"><topic>shafts, air</topic></variant><variant type="other"><topic>wells, air</topic></variant> <note xml:lang="en"><![CDATA[ Very small courts that are enclosed within the walls of a building and supply ventilation to windows. Prefer "light courts" for somewhat larger courts supplying significant light as well as ventilation, or courts supplying only light. ]]></note></mads>