<?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">ivory</topic></authority><related type="narrower"><topic>mammoth ivory</topic></related><related type="narrower"><topic>walrus ivory</topic></related><related type="narrower"><topic>whale ivory</topic></related><related type="narrower"><topic>elephant ivory</topic></related><related type="other"><topic>artificial ivory</topic></related><related type="other"><topic>ivory carvers</topic></related><related type="other"><topic>bone</topic></related><related type="other"><topic>story knives</topic></related><related type="other"><topic>ivories</topic></related><related type="broader"><topic>dentin</topic></related> <note xml:lang="en"><![CDATA[ The modified form of dentin derived from animal teeth. The most common example is from the tusks of mature elephants; similar material is obtained from any tusked or large-toothed mammal such as a walrus or narwhal. ]]></note></mads>