Field( DCNS('rights'), 'license_description'),
Field( DCNS('language'), 'language'),
Field( DCNS('description'), 'description', required=False),
+ Field( DCNS('relation.cover_image.url'), 'cover_url', required=False),
+ Field( DCNS('relation.cover_image.attribution'), 'cover_by', required=False),
+ Field( DCNS('relation.cover_image.source'), 'cover_source', required=False),
)