<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb905282ec0_-_lyndon-b-johnson-him-and-her-beagles-mdn.jpg>
<http://www.womansday.com/life/pet-care/g500/presidential-pets-a-retrospective-23351/?src=shelter_footer>