<?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">Protoliterate</topic></authority><related type="narrower"><topic>Uruk</topic></related><related type="narrower"><topic>Jamdat Nasr</topic></related><related type="broader"><topic>prehistoric Southern Mesopotamian periods</topic></related><variant type="other"><topic>Proto-literate</topic></variant> <note xml:lang="en"><![CDATA[ Refers to the period in southern Mesopotamia, roughly between 4000 and 2900 BCE, during which developments such as the invention of writing and cylinder seals, the emergence of large cities, the establishment of widespread trade, and the appearance of monumental public buildings occurred. ]]></note></mads>