Congressional Portrait, <a href="//commons.wikimedia.org/wiki/Tom_Campbell_(California_politician)" title="Tom Campbell (California politician)">Congressman Tom Campbell</a>
United States Congress
106th Congress
<i>Congressional Pictorial Directory</i>, <a rel="nofollow" class="external text" href="http://bioguide.congress.gov/scripts/biodisplay.pl?index=C000100">available online</a>