Last seen in:
- New York Times - Nov 10 2015
- The Chronicle of Higher Education - Feb 7 2014
- New York Times - Aug 8 2013
- Eugene Sheffer - King Feature Syndicate - Nov 8 2011
- New York Times - May 31 2011
- New York Times - Jan 4 2010
- New York Times - Sep 29 2009
- Boston Globe - Mar 8 2009
- Eugene Sheffer - King Feature Syndicate - Jul 9 2005
- New York Times - Aug 11 2002