<https://secure.gravatar.com/avatar/0a3d82915957a3e2e37e86f5a4b2217a?s=96&amp;d=blank&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.hitthetrail.com/human-history-civilian-conservation-corps/>