<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>31457560</termId><termName>Porta Santa marble</termName><termType>PT</termType><termNote><![CDATA[ A purplish red and white clouded stone which may come from either the island of Iasus or the island of Chios. It was supposedly favored by the emperor Claudius in antiquity and was later used in the door jambs of the Porta Santa of St. Peter's in Rome, hence its name. ]]></termNote><termCreatedDate>2026-03-30 21:03:09</termCreatedDate><relation><relationType>UF</relationType><termId>31457561</termId><termName>Claudian stone</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457562</termId><termName>Portasanta marble</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457563</termId><termName>marble, Porta Santa</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457564</termId><termName>marmor Iassense</termName><termType>ND</termType></relation><relation><relationType>UF</relationType><termId>31457565</termId><termName>stone, Claudian</termName><termType>ND</termType></relation><relation><relationType>BT</relationType><termId>31438611</termId><termName>variegated marble</termName><termType>PT</termType></relation></term>  </Zthes>