<https://outsider.com/news/entertainment/happy-days-ron-howard-explained-tom-bosley-vital-part-what-made-show-great/#article>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://outsider.com/news/entertainment/happy-days-ron-howard-explained-tom-bosley-vital-part-what-made-show-great/>