<https://www.edizionicantagalli.com/shop/s-caterina-da-siena-dialoga-con-dio-padre-misericordioso/>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.edizionicantagalli.com/shop/page/111/?add-to-cart=2092>