<http://schema.org/headline>
"Mansa Musa I&amp;#x3a; Richest person ever to live was 14th Century West African king of Malian Empire, claims new study - Mirror Online"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mirror.co.uk/news/world-news/mansa-musa-i-richest-person-1381892>