<ul><li>Source: <a rel="nofollow" class="external free" href="http://lcweb2.loc.gov/cgi-bin/query/h?pp/PPALL:@field(NUMBER+@1(cph+3c09899))">http://lcweb2.loc.gov/cgi-bin/query/h?pp/PPALL:@field(NUMBER+@1(cph+3c09899))</a></li>
<li>Other versions:
<ul><li><a class="external free" href="https://en.wikipedia.org/wiki/Image:Amos-Kendell.jpg">http://en.wikipedia.org/wiki/Image:Amos-Kendell.jpg</a></li>
<li><a class="external free" href="https://en.wikipedia.org/wiki/Image:Amos_Kendell2.jpg">http://en.wikipedia.org/wiki/Image:Amos_Kendell2.jpg</a></li></ul></li></ul>
Modified from original to clean up scratches, etc.
This image  is available from the United States <a href="//commons.wikimedia.org/wiki/Library_of_Congress" title="Library of Congress">Library of Congress</a>'s <a rel="nofollow" class="external text" href="//www.loc.gov/rr/print/">Prints and Photographs division</a><br> under the digital ID <a rel="nofollow" class="external text" href="http://hdl.loc.gov/loc.pnp/cph.3c09899">cph.3c09899</a>.<br><small>This tag does not indicate the copyright status of the attached work. <span style="white-space:nowrap">A normal <a href="//commons.wikimedia.org/wiki/Special:MyLanguage/Commons:Copyright_tags" title="Special:MyLanguage/Commons:Copyright tags">copyright tag</a> is still required.</span> <span style="white-space:nowrap">See <a href="//commons.wikimedia.org/wiki/Special:MyLanguage/Commons:Licensing" title="Special:MyLanguage/Commons:Licensing">Commons:Licensing</a>.</span></small>