<https://secure.gravatar.com/avatar/1bed89600702b6282f28b149a2fb7cf7?s=96&d=mm&r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://canoeacrosscanada.ca/cbc-radio-interview-with-paul-vasey-september-2008/>