<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/xml/zthes-05.dtd">  <Zthes><term><termId>18575</termId><termName>Tributo indigena (El Salvador)</termName><termType>PT</termType><termCreatedDate>1993-07-13 18:00:00</termCreatedDate><relation><relationType>BT</relationType><termId>14627</termId><termName>Historia economica de El Salvador colonial</termName><termType>PT</termType></relation></term>  </Zthes>