<https://antikvariat.net/nb/ose30006-DKK>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://antikvariat.net/nb/ose30006-bark-pehr-uglands-historie-var-siste-skvaerrigger-i-fraktfart-dannevig-birger-osebro?currency=SEK>