<https://www.antikvariat.net/sv/nyn100004-DKK>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://www.antikvariat.net/sv/nyn100004-tidsskrift-skole-og-samfunn-praxis-nr-1-1972-1-arg-nynorsk-antikvariat?currency=GBP>