Last seen in:
- New York Times - Dec 2 2001
- New York Times - Nov 1 2001
- Wall Street Journal - Aug 10 2001 - August 10, 2001 Oil Cartel
- New York Times - Jun 2 2001
- New York Times - May 3 2001
- The Times - Concise - Times2 Concise 2321 - April 20, 2001
- New York Times - Dec 31 1999
- New York Times - Dec 14 1997
- New York Times - Oct 24 1997
- New York Times - May 24 1997