<?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">photographic plates</topic></authority><related type="narrower"><topic>dry plates</topic></related><related type="narrower"><topic>ferrotype plates</topic></related><related type="narrower"><topic>wet plates</topic></related><related type="other"><topic>photographic plate holders</topic></related><related type="broader"><topic>photographic media</topic></related><related type="broader"><topic>plates</topic></related><variant type="other"><topic>photographic plate</topic></variant><variant type="other"><topic>plates, photographic</topic></variant> <note xml:lang="en"><![CDATA[ Sheets of glass, metal, porcelain, or other rigid material coated with a light-sensitive photographic emulsion. ]]></note></mads>