Jacob Thurmann Ihlen, fotografert ca 1865 - 1870
<bdi><a href="https://www.wikidata.org/wiki/Q11963128" class="extiw" title="d:Q11963128"><span title="Norwegian photographer">Carl Christian Wischmann</span></a>
</bdi>
CC BY-SA 3.0
Oslo Museum: image no. <a rel="nofollow" class="external text" href="http://www.digitaltmuseum.no/things/011014339502/OMU/OB.F03412B">OB.F03412B</a>, via digitaltmuseum.no.