<https://www.terremarsicane.it/la-marsica-di-tommaso-brogi-1900-parte-iii-2/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.terremarsicane.it/la-marsica-di-tommaso-brogi-1900-parte-iii-2/>