_:na8c56254a98a4144850b2cb19343a49exb4
<http://schema.org/valueRequired>
"true"^^<http://www.w3.org/2001/XMLSchema#boolean>
<https://www.lamaisondechloe.fr/nu-bleu-souvenir-de-biskra-une-oeuvre-a-redecouvrir/>