<?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">visual aids</topic></authority><related type="narrower"><topic>flannelgraphs</topic></related><related type="narrower"><topic>letter boards</topic></related><related type="other"><topic>visual resources</topic></related><related type="broader"><topic>information artifacts by physical form</topic></related><related type="broader"><topic>instructional materials</topic></related><variant type="other"><topic>aids, visual</topic></variant><variant type="other"><topic>materials, visual</topic></variant><variant type="other"><topic>visual aid</topic></variant><variant type="other"><topic>visual materials</topic></variant> <note xml:lang="en"><![CDATA[ Any items that communicate information primarily visually and are used as aids in teaching. For items that communicate information primarily visually and are collected and made available as information resources, use "visual resources." ]]></note></mads>