Last seen in:
- The Washington Post - Dec 10 2017
- The Washington Post - Mar 12 2016
- L.A. Times Daily - Nov 16 2014
- The Times - Concise - Times Concise Jumbo No 628
- L.A. Times Daily - Mar 25 2014
- Wall Street Journal - Jun 21 2013 - June 21, 2013 - Switchcraft
- New York Times - Jun 2 2013
- The Times - Concise - Times2 Concise 6020 - February 23, 2013
- The Times - Concise - Times2 Jumbo 532 - December 22, 2012
- The Chronicle of Higher Education - Jun 8 2012