<https://imperium-romanum.info/forum/thread/32765-diverse-kleinere-oder-gr%C3%B6%C3%9Fere-fragen/?pageNo=15>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://imperium-romanum.info/forum/thread/32765-diverse-kleinere-oder-gr%C3%B6%C3%9Fere-fragen/?postID=960227>