<?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">spines</topic></authority><related type="other"><topic>backs</topic></related><related type="broader"><topic>gathered matter components</topic></related><variant type="other"><topic>backbone</topic></variant><variant type="other"><topic>backbones</topic></variant><variant type="other"><topic>backstrip</topic></variant><variant type="other"><topic>backstrips</topic></variant><variant type="other"><topic>book spine</topic></variant><variant type="other"><topic>book spines</topic></variant><variant type="other"><topic>shelf-back</topic></variant><variant type="other"><topic>shelf-backs</topic></variant><variant type="other"><topic>shelfback</topic></variant><variant type="other"><topic>shelfbacks</topic></variant><variant type="other"><topic>spine</topic></variant> <note xml:lang="en"><![CDATA[ The portions of books' outer covers that enclose and protect the back of the text block, usually the part visible as the books stand on a shelf. ]]></note></mads>