<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31460852</termId><termName>Usonian houses</termName><termType>PT</termType><termNote><![CDATA[ Term applied to a group of Frank Lloyd Wright's small, single-family houses constructed during the late 1930s and early 1940s and generally characterized by low cost, natural materials, open planning, and a close relationship between the building and the site and climate. The term was coined by the architect. ]]></termNote><termCreatedDate>2026-03-30 21:04:01</termCreatedDate><relation><relationType>UF</relationType><termId>31460853</termId><termName>Usonian house</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31460854</termId><termName>houses, Usonian</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31443225</termId><termName>houses by construction technique</termName><termType>PT</termType></relation></term>  </Zthes>