<b>Clara Heinefetter</b> (1816–1857), German opera vocalist (soprano), as Beatrice in Meyerbeers <i><a href="https://en.wikipedia.org/wiki/Les_Huguenots" class="extiw" title="en:Les Huguenots">The Welfs and the Ghibellines</a></i> (that was the name of the opera in Vienna at the time). <br> Coloured etching by Johann Wenzel Zinke (1797–1858) after Anton Elfinger (1821–1864)), published by the Wiener Theaterzeitung.
<bdi><a href="https://en.wikipedia.org/wiki/en:Anton_Elfinger" class="extiw" title="w:en:Anton Elfinger"><span title="Austrian medical illustrator">Anton Elfinger</span></a>
</bdi>
<a href="https://de.wikipedia.org/wiki/%C3%96sterreichische_Nationalbibliothek#Bildarchiv_und_Grafiksammlung" class="extiw" title="de:Österreichische Nationalbibliothek"> ÖNB, Bildarchiv Austria</a>, Inventarnummer PORT_00157405_01<br><small>( <a rel="nofollow" class="external free" href="https://www.bildarchivaustria.at/Pages/ImageDetail.aspx?p_iBildID=9276514">https://www.bildarchivaustria.at/Pages/ImageDetail.aspx?p_iBildID=9276514</a> )</small>