Battle of Port Hudson / J.O. Davidson ; Facsimile print by L. Prang &amp; Co.
J.O. Davidson
Library of Congress Prints and Photographs Division (<a rel="nofollow" class="external free" href="http://hdl.loc.gov/loc.pnp/cph.3g02383">http://hdl.loc.gov/loc.pnp/cph.3g02383</a> )