<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31437957</termId><termName>yellow lake</termName><termType>PT</termType><termNote><![CDATA[ Non-standardized term that was originally used for non-lightfast, transparent, yellow lake pigment formed from oak bark extract (quercitron) precipitated on alum or chalk, which was used in the 17th century, often in mixtures with blue to produce a dark green. Now the term is also used for modern synthetic organic pigments of similar color. ]]></termNote><termCreatedDate>2026-03-30 20:58:03</termCreatedDate><relation><relationType>UF</relationType><termId>31437958</termId><termName>lake, yellow</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31411104</termId><termName>synthetic organic yellow pigment</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>31456332</termId><termName>quercitron lake</termName><termType>PT</termType></relation></term>  </Zthes>