<https://secure.gravatar.com/avatar/f1c476e0ad0bc4b7dd7c4480e06c33ab?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://sbcoachescollege.com/soccer-how-and-when-was-it-invented-must-read/>