<https://secure.gravatar.com/avatar/d1451de36808a7b078e4e13a378d7489?s=96&amp;d=mm&amp;r=g>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.merkenbureaudenherder.nl/unsere-arbeitsweise/?lang=de>