<https://secure.gravatar.com/avatar/316c72943095269b21b3487514fc0f0d?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.armstrongeconomics.com/research/rule-of-law/in-re-sinking-fund-cases-99-u-s-700-1878/>