<https://www.explorerforum.com/forums/threads/the-squirrel-is-going-solid-axle-well-eventually.444903/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.explorerforum.com/forums/threads/the-squirrel-is-going-solid-axle-well-eventually.444903/>