<i>Title:</i> Mortar dictator in front of Petersburg / negative by David Knox ; positive by A. Gardner.
<i>Abstract/medium:</i> 1 photographic print : albumen.
Knox, David, photographer; Gardner, Alexander, 1821-1882, photographer
<p>Library of Congress
</p>
<ul><li><i>Catalog:</i> <a rel="nofollow" class="external free" href="https://lccn.loc.gov/2007685813">https://lccn.loc.gov/2007685813</a></li>
<li><i>Image download:</i> <a rel="nofollow" class="external free" href="https://cdn.loc.gov/service/pnp/ppmsca/12500/12596v.jpg">https://cdn.loc.gov/service/pnp/ppmsca/12500/12596v.jpg</a></li>
<li><i>Original url:</i> <a rel="nofollow" class="external free" href="https://www.loc.gov/pictures/item/2007685813/">https://www.loc.gov/pictures/item/2007685813/</a></li></ul>