Last seen in:
- Wall Street Journal - Feb 3 2017 - Fraternal Twins
- The Washington Post - May 4 2016
- The Guardian - Quick crossword No 14,157 - Sep 23 2015
- Universal - Aug 6 2015
- USA Today - May 15 2015
- USA Today - May 6 2015
- New York Times - Jan 19 2015
- USA Today - May 4 2014
- The Chronicle of Higher Education - Jun 21 2013
- New York Times - Jun 20 2013