<bdi><a href="https://en.wikipedia.org/wiki/en:Christian_Krohg" class="extiw" title="w:en:Christian Krohg"><span title="Norwegian painter (1852-1925)">Christian Krohg</span></a>
</bdi>
<a href="//commons.wikimedia.org/w/index.php?title=1884&amp;action=edit&amp;redlink=1" class="new" title="1884 (page does not exist)">1884</a>
Scanned from Dagfinn Døhl Dybvig &amp; Magne Dybvig (<a href="//commons.wikimedia.org/wiki/2003" title="2003">2003</a>). <i>Det tenkende mennesket</i>. Oslo: Tapir akademisk forlag. <a href="//commons.wikimedia.org/wiki/Special:BookSources/8251918642" title="Special:BookSources/8251918642">ISBN 8251918642</a>. Page 340. Which supposedly had it from <a rel="nofollow" class="external autonumber" href="http://hjem.get2net.dk/">[1]</a>, scanned 2005-08-25.