<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/04/54bcbc7012790_-_hbz-first-ladies-patricia-nixon-xln.jpg>
<http://www.harpersbazaar.com/fashion/trends/g2349/first-lady-fashion/>