<http://schema.org/alternativeHeadline>
"Quanah Parker and the Rise and Fall of the Comanches, the Most Powerful Indian Tribe in American History"^^<http://www.w3.org/2001/XMLSchema#string>
<http://books.simonandschuster.com/Empire-of-the-Summer-Moon/S-C-Gwynne/9781416597155>