<?xml version="1.0" encoding="UTF-8"?><OAI-PMH xmlns="http://www.openarchives.org/OAI/2.0/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/ http://www.openarchives.org/OAI/2.0/OAI-PMH.xsd"><responseDate>2026-03-12T17:20:33Z</responseDate><request verb="ListSets">https://oai.hathitrust.org/</request><ListSets><set><setSpec>hathitrust:pd</setSpec><setName>Open access and public domain works viewable worldwide</setName></set><set><setSpec>hathitrust:pdus</setSpec><setName>Open access and public domain works viewable in the United States</setName></set><set><setSpec>hathitrust</setSpec><setName>All works in HathiTrust, including in-copyright material</setName></set></ListSets></OAI-PMH>