<http://www.flytyingforum.com/index.php?/topic/97355-11-3wt-5pc/#comment-814528>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<http://www.flytyingforum.com/index.php?/topic/97355-11-3wt-5pc/&tab=comments#comment-814531>