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WikiPedia: Guy de Maupassant http://tsar.mcgill.ca/bibliographie/Guy_de_Maupass... http://cantic.bnc.cat/registres/CUCId/a10452394 http://data.rero.ch/02-A000112091 http://www.cannao.com/home/detail.php?module=news&... http://www.online-literature.com/maupassant/ http://catalogo.bne.es/uhtbin/authoritybrowse.cgi?... http://katalog.nsk.hr/F/?func=direct&doc_number=00... http://uli.nli.org.il/F/?func=direct&doc_number=00... http://www.vnexpress.net/GL/The-gioi/Tu-lieu/2009/... http://data.bibliotheken.nl/id/thes/p068834829