<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/640x430/54eb62360788f_-_collecting-presidents-ford-1112-xln.jpg>
<http://www.countryliving.com/shopping/antiques/g1373/presidential-memorabilia/?click=smart&kw=ist&src=smart&mag=CLG&link=>