<?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">submaster keys</topic></authority><related type="broader"><topic>keys</topic></related><variant type="other"><topic>keys, submaster</topic></variant><variant type="other"><topic>submaster key</topic></variant> <note xml:lang="en"><![CDATA[ Keys capable of controlling a subordinate group of master-keyed locks, each having a different key of its own, but all in turn controlled by the main master key. ]]></note></mads>