Last seen in:
- The Times - Concise - Times Concise No 8113
- The Chronicle of Higher Education - Feb 16 2018
- Wall Street Journal - Jun 10 2017 - T for Two
- New York Times - Feb 28 2016
- Thinks.com - Nov 28 2010
- Thinks.com - Nov 28 2009
- New York Times - Nov 1 2009
- Thinks.com - Nov 28 2008
- Thinks.com - Nov 28 2007
- USA Today - May 10 2004