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WikiPedia: Charles_I_xứ_Orléans http://data.rero.ch/02-A000034357 http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?... http://archivesetmanuscrits.bnf.fr/ark:/12148/cc53... http://katalog.nsk.hr/F/?func=direct&doc_number=00... http://uli.nli.org.il/F/?func=direct&doc_number=00... http://data.bibliotheken.nl/id/thes/p069204713 //archive.org/search.php?query=((subject:%22d'Orl%... //doi.org/10.3406%2Froma.1965.3007 http://librivox.org/author/977 http://medievalsourcesbibliography.org/authors/230