Portrait of <a href="https://en.wikipedia.org/wiki/cs:Alois_Bub%C3%A1k" class="extiw" title="w:cs:Alois Bubák">Alois Bubák</a> (1824 - 1870), Czech painter.
<a href="https://en.wikipedia.org/wiki/cs:Friedrich_Kriehuber" class="extiw" title="w:cs:Friedrich Kriehuber">Friedrich (Bedřich) Kriehuber</a> (1834 - 1871)
1870-03-18
<a rel="nofollow" class="external text" href="http://archiv.ucl.cas.cz/index.php?path=SvetozorII/4.1870/12/89.png">Světozor, year 1870, issue 12</a>, digitized by Czech Academy of Sciences