<https://www.palmtalk.org/forum/topic/38360-fall-is-near-and-winter-not-far-away-prep-thoughts/?page=2#comment-611016>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.palmtalk.org/forum/topic/38360-fall-is-near-and-winter-not-far-away-prep-thoughts/?page=2#comment-605727>