<?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>2026-05-18T00:21:29Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go808379">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go808379</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T13:33:03Z</datestamp></header><metadata> <oai_dc:dc xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><dc:identifier>https://www.bilketa.eus/ark:/27020/go808379</dc:identifier><dc:contributor>Ritter, Raymond (1894-1974) (Ancien possesseur)</dc:contributor><dc:creator>Seijo y de Zarrandicoechea, Gabino de (....-....)</dc:creator><dc:creator>Baionako Euskal Museoaren Adiskideak</dc:creator><dc:source>BIAD, BIB U6678 (Pau)</dc:source><dc:date>s.d.</dc:date><dc:description>Note sur la conservation - provenance : Donation entre vifs des époux Ritter, le 17 mai 1971. Tampon : Bibliothèque du Château de Morlanne, coté BIB U6678</dc:description><dc:type xml:lang="eng">text</dc:type><dc:type xml:lang="fre">monographie imprimée</dc:type><dc:type xml:lang="eng">printed monograph</dc:type><dc:format>1 vol. (411 p.) ; ill., couv. ill. ; 22 cm</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go808379&amp;mat=book</dc:relation><dc:language>spa</dc:language><dc:publisher>Escuelas graficas de la santa casa de misericordia (Bilbao)</dc:publisher><dc:coverage>Pays basque</dc:coverage><dc:subject>Basque (langue)</dc:subject><dc:title>El origen del vasco y de su idioma, Tome I : de Iberia a Iberia la voz de los abolengos</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>