<bdi><a href="https://www.wikidata.org/wiki/Q84156154" class="extiw" title="d:Q84156154">Theodor Wilberg</a>
</bdi>
1930
Oslo Museum: image no. <a rel="nofollow" class="external text" href="http://www.digitaltmuseum.no/things/021045471187/OMU/OB.01102">OB.01102</a>, via digitaltmuseum.no.