<bdi><a href="https://en.wikipedia.org/wiki/en:Ludvig_Karsten" class="extiw" title="w:en:Ludvig Karsten"><span title="Norwegian artist (1876-1926)">Ludvig Karsten</span></a>
</bdi>
1913
<a rel="nofollow" class="external text" href="https://nkl.snl.no/Ludvig_Karsten">Norsk kunstnerleksikon</a>