Last seen in:
- The Washington Post Sunday - Nov 24 2019
- New York Times - Apr 22 2018
- The Washington Post - Sep 3 2016
- New York Times - Mar 13 2014
- The Chronicle of Higher Education - Feb 7 2014
- Jonesin Crosswords - May 21 2013
- Jonesin' - May 16 2013
- New York Times - Mar 31 2009
- New York Times - Jun 16 2006
- New York Times - Mar 29 1999