<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31313552</termId><termName>Lettrist</termName><termType>PT</termType><termNote><![CDATA[ Refers to the international avant-garde art and poetry movement based in Paris and begun by Romanian writer Isidore Isou in 1945. In the visual arts, the style is characterized by the use of letters, numbers, and signs as motifs, rather than elements of language. ]]></termNote><termCreatedDate>2026-03-30 20:24:31</termCreatedDate><relation><relationType>UF</relationType><termId>31313553</termId><termName>International, Lettrist</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31313554</termId><termName>Lettrism</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31313555</termId><termName>Lettrisme</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31313556</termId><termName>Lettrist International</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31313557</termId><termName>Lettrist Movement</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31313558</termId><termName>Movement, Lettrist</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31302170</termId><termName>post-1945 fine arts styles and movements</termName><termType>PT</termType></relation></term>  </Zthes>