<?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">identification numbers</topic></authority><related type="narrower"><topic>call numbers</topic></related><related type="narrower"><topic>accession numbers</topic></related><related type="narrower"><topic>manuscript designations</topic></related><related type="narrower"><topic>catalog numbers</topic></related><related type="narrower"><topic>repository numbers</topic></related><related type="narrower"><topic>creation numbers</topic></related><related type="narrower"><topic>personal identification numbers</topic></related><related type="narrower"><topic>lot numbers</topic></related><related type="narrower"><topic>stock numbers</topic></related><related type="narrower"><topic>EAN</topic></related><related type="narrower"><topic>ISAN</topic></related><related type="narrower"><topic>ISMN</topic></related><related type="narrower"><topic>NBN</topic></related><related type="narrower"><topic>ISBN</topic></related><related type="narrower"><topic>street numbers</topic></related><related type="narrower"><topic>postcodes</topic></related><related type="narrower"><topic>AIN</topic></related><related type="narrower"><topic>email addresses</topic></related><related type="narrower"><topic>mailing addresses</topic></related><related type="narrower"><topic>telephone numbers</topic></related><related type="narrower"><topic>fax numbers</topic></related><related type="narrower"><topic>Lugt numbers</topic></related><related type="narrower"><topic>book numbers</topic></related><related type="narrower"><topic>page numbers</topic></related><related type="narrower"><topic>entry numbers</topic></related><related type="narrower"><topic>collector assigned numbers</topic></related><related type="other"><topic>titles</topic></related><related type="broader"><topic>identification numbers and codes</topic></related><variant type="other"><topic>ID numbers</topic></variant><variant type="other"><topic>IDs</topic></variant><variant type="other"><topic>identification number</topic></variant><variant type="other"><topic>identifier</topic></variant><variant type="other"><topic>identifiers</topic></variant><variant type="other"><topic>numbers, identification</topic></variant> <note xml:lang="en"><![CDATA[ Numeric, alphanumeric, or other codes assigned to a thing, concept, person, or other entity in order identify it and distinguish it from other similar entities. Often a sequence of integers or characters arbitrarily devised. ]]></note></mads>