<http://arnoldolromero.blogspot.com/2014/11/r-is-for-romeros-art.html>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://arnoldolromero.blogspot.com/2014/11/r-is-for-romeros-art.html?showComment=1415708876252>