Portrait of <a href="https://en.wikipedia.org/wiki/Nicholas_Alexandrovich,_Tsesarevich_of_Russia" class="extiw" title="w:Nicholas Alexandrovich, Tsesarevich of Russia">Nicholas Alexandrovich, Tsesarevich of Russia</a> (1843-1865)
<bdi><a href="https://www.wikidata.org/wiki/Q4467630" class="extiw" title="d:Q4467630"><span title="Russian painter (1824-1904)">Ivan Tyurin</span></a>
</bdi>
Zacharias Topelius: <i>Finlands krönika 1860-1878.</i> Helsingfors 2004.