<?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">rare books</topic></authority><related type="broader"><topic>books by conditions of production</topic></related><variant type="other"><topic>rare book</topic></variant> <note xml:lang="en"><![CDATA[ Books that are valuable due to their actual or prospective rarity, specifically books distinguished by an early publication date, limited issue, historical interest, or a special characteristic of the edition or binding, for example having been signed by the artist or containing special illustrations. This designation typically includes books that are collected by a special collections department, archives, or museum, as opposed to books that are available to casual readers on the shelves of a public library. ]]></note></mads>