Last seen in:
- New York Times - Sep 15 2020
- Wall Street Journal - Apr 2 2018 - Around the Clock
- New York Times - Dec 18 2017
- New York Times - Jan 15 2016
- The Chronicle of Higher Education - Nov 13 2015
- Universal - May 10 2013
- Universal - Mar 28 2011
- The Washington Post - Feb 13 2011
- Universal - Jun 22 2002
- New York Times - Jun 7 2002