<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31431968</termId><termName>heliotypes</termName><termType>PT</termType><termNote><![CDATA[ Photomechanical prints produced by the process called heliotype. ]]></termNote><termCreatedDate>2026-03-30 20:56:32</termCreatedDate><relation><relationType>UF</relationType><termId>31431969</termId><termName>heliotype</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31402452</termId><termName>collotypes</termName><termType>PT</termType></relation></term>  </Zthes>