<https://www.helberg.info/blog/2021/04/die-therapie-habe-ich-privat-bezahlt-trotzdem-angeben/#webpage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.helberg.info/blog/2021/04/die-therapie-habe-ich-privat-bezahlt-trotzdem-angeben/>