Changes

===Other significant cases===

===Other significant cases===

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As Attorney General, he led multiple investigations of  [[communism|communist]] infiltration of [[Organized labor|trade union]]s attempting to organize themselves in Texas.<ref name="ladino 1996">{{cite book|author=Robyn Duff Ladino|title=Desegregating Texas Schools: Eisenhower, Shivers, and the Crisis at Mansfield High|date=1996|publisher=University of Texas Press|location=Austin, Texas|isbn=978-0292746923|pages=35–36|url=https://books.google.ca/books?id=3_I3r53r1VgC&pg=PA35#v=onepage&q&f=false}}</ref> Shepperd exposed a scheme to defraud Texas of [[tobacco tax]]es.<ref name="state historical society" /> He also defended Texas from questions raised by other states regarding the Submerged Lands Act of 1953, a federal law which allocated revenues from the tidelands to Texas. In 1956, Shepperd was elected by his forty-seven peers as president of the National Association of Attorneys General.<ref name="state historical society" />​

As Attorney General, he led multiple investigations of  [[communism|communist]] infiltration of [[Organized labor|trade union]]s attempting to organize themselves in Texas.<ref name="ladino 1996">{{cite book|author=Robyn Duff Ladino|title=Desegregating Texas Schools: Eisenhower, Shivers, and the Crisis at Mansfield High|date=1996|publisher=University of Texas Press|location=Austin, Texas|isbn=978-0292746923|pages=35–36|url=https://books.google.ca/books?id=3_I3r53r1VgC&pg=PA35#v=onepage&q&f=false}}</ref> Shepperd exposed a scheme to defraud Texas of tobacco taxes.<ref name="state historical society" /> He also defended Texas from questions raised by other states regarding the Submerged Lands Act of 1953, a federal law which allocated revenues from the tidelands to Texas. In 1956, Shepperd was elected by his forty-seven peers as president of the National Association of Attorneys General.<ref name="state historical society" />​

==Civic leadership==

==Civic leadership==