Communards in their coffins.
<a href="//commons.wikimedia.org/w/index.php?title=Andr%C3%A9-Adolphe-Eug%C3%A8ne_Disd%C3%A9ri&amp;action=edit&amp;redlink=1" class="new" title="André-Adolphe-Eugène Disdéri (page does not exist)">André-Adolphe-Eugène Disdéri</a>
"A World History of Photography" <a href="//commons.wikimedia.org/wiki/Special:BookSources/0789203294" title="Special:BookSources/0789203294">ISBN 0789203294</a>. Original at the University of Texas, Austin.