<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31431500</termId><termName>black-and-white photographs</termName><termType>PT</termType><termNote><![CDATA[ Refers to a broad class of photographs having images in gray tones, black, and white, and sometimes one hue (which can result from chemical processes used, including toning, or from aging). ]]></termNote><termCreatedDate>2026-03-30 20:56:25</termCreatedDate><relation><relationType>UF</relationType><termId>31431501</termId><termName>black and white photographs</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431502</termId><termName>black-and-white photograph</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31431503</termId><termName>photographs, black-and-white</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31401992</termId><termName>photographs by form: color</termName><termType>PT</termType></relation></term>  </Zthes>