<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31466158</termId><termName>opera hats</termName><termType>PT</termType><termNote><![CDATA[ Collapsible top hats, often covered in black silk. ]]></termNote><termCreatedDate>2026-03-30 21:05:28</termCreatedDate><relation><relationType>UF</relationType><termId>31466165</termId><termName>opera hat</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31466159</termId><termName>gibus</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31466160</termId><termName>opera-hat</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31466161</termId><termName>collapsible top hats</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31466162</termId><termName>gibus hats</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31466163</termId><termName>gibuses</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31466164</termId><termName>hats, opera</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31450694</termId><termName>top hats</termName><termType>PT</termType></relation></term>  </Zthes>