<div class="fn value">
<a href="https://en.wikipedia.org/wiki/Theodor_Martens" class="extiw" title="w:Theodor Martens"><b>Theodor Martens</b> (1822-1884)</a></div>
19<sup>th</sup> century <div style="display: none;">date QS:P571,+1850-00-00T00:00:00Z/7</div>
<a rel="nofollow" class="external text" href="http://www.arcadja.com/auctions/de/private/martens_theodor/kunstwerken/47656/0/">Satow (2007) via ARCADJA auction results</a>