<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31431670</termId><termName>opalotypes</termName><termType>PT</termType><termNote><![CDATA[ Photographic positives, usually a gelatin or carbon print, printed on or transferred to opaque, white glass. ]]></termNote><termCreatedDate>2026-03-30 20:56:27</termCreatedDate><relation><relationType>UF</relationType><termId>31431671</termId><termName>opal pictures</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431672</termId><termName>opalotype</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431673</termId><termName>opaltype</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431674</termId><termName>pictures, opal</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31402034</termId><termName>photographs by processing or presentation technique</termName><termType>PT</termType></relation></term>  </Zthes>