<?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>2026-05-17T21:01:14Z</responseDate><request verb="GetRecord" metadataPrefix="oai_dc" identifier="oai:www.bilketa.eus:ark:/27020/go752181">https://www.bilketa.eus/in/rest/oai</request><GetRecord><record><header><identifier>oai:www.bilketa.eus:ark:/27020/go752181</identifier><setSpec>ALL</setSpec><datestamp>2026-05-11T12:04:48Z</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/go752181</dc:identifier><dc:contributor>Apraiz, Angel de (1885-1956) (Préfacier)</dc:contributor><dc:creator>Frankowski, Eugeniusz (884?-....)</dc:creator><dc:source>MUBA, P 2872</dc:source><dc:date>[1920]</dc:date><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>V-22 p. ; 21 cm</dc:format><dc:relation>vignette : https://www.bilketa.eus/in/rest/Thumb/image?id=ark:/27020/go752181&amp;mat=book</dc:relation><dc:language>spa</dc:language><dc:publisher>Eusko Ikaskuntza (Donostia-San Sebastian)</dc:publisher><dc:subject>Ethnologie -- Pays Basque</dc:subject><dc:title>Sistematizacion de los ritos usados en las ceremonias populares : conferencia pronunciada en el salon de la Filarmonica de Bilbao, el dia 13 de diciembre de 1919...y repetida el 17 de marzo de 1920, en el Ateneo de Madrid</dc:title></oai_dc:dc></metadata></record></GetRecord></OAI-PMH>