<a href="//commons.wikimedia.org/wiki/Giacomo_Brogi" class="mw-redirect" title="Giacomo Brogi">Giacomo Brogi</a> (1822-1881), Photograph of a portrait of <a href="//commons.wikimedia.org/wiki/Francesco_Petrarca" title="Francesco Petrarca">Francesco Petrarca</a>, 1870s. Catalogue # 457.
<bdi><a href="https://en.wikipedia.org/wiki/en:Giacomo_Brogi" class="extiw" title="w:en:Giacomo Brogi"><span title="Italian photographer (1822-1881)">Giacomo Brogi</span></a>
</bdi>
Self-scanned