<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/06/54cf76167ddaa_-_reynolds-gettysburg-xlg.jpg>
<http://www.esquire.com/news-politics/news/a23274/gettysburg-reenactment-learning-from-reenactors-062713/>