Last seen in:
- Wall Street Journal - Jan 24 2022 - Business Ideas
- The Washington Post - Aug 16 2016
- Wall Street Journal - Feb 2 2015 - Dark Matter
- Wall Street Journal - Dec 26 2014 - December 26, 2014 - Boxing Day
- Wall Street Journal - Oct 13 2014 - Triple Crossers
- New York Times - Nov 17 2010
- Eugene Sheffer - King Feature Syndicate - Oct 25 2010
- L.A. Times Sunday - Apr 2 2006
- Eugene Sheffer - King Feature Syndicate - Mar 13 2006