Last seen in:
- New York Times - Jan 3 2010
- The Times - Concise - Sunday Times Concise 1131 - November 22, 2009
- L.A. Times Daily - Dec 21 2008
- Wall Street Journal - Sep 16 2005 - September 16, 2005 - Inside Capitalism
- Eugene Sheffer - King Feature Syndicate - Nov 24 2003
- Wall Street Journal - Aug 10 2001 - August 10, 2001 Oil Cartel
- New York Times - May 20 2001
- New York Times - Feb 11 2001
- New York Times - Mar 25 1999
- New York Times - Jul 9 1998