Bryan-Low С. Cheney Cashed in Halliburton Options Worth $35 Million // Wall Street Journal. 2000. September 20.
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Herman K. Cheneys Earn $8.8 Million to Bushes' $735,000 // American-Statesman. Austin. 2006. April 15; Historical Price Lookup // Halliburton, Investor Relations, www.halliburton.com.
