Last seen in:
- New York Times - Feb 24 2019
- New York Times - Feb 3 2019
- New York Times - Nov 14 2018
- New York Times - Oct 12 2018
- New York Times - Nov 12 2017
- New York Times - Mar 26 2017
- New York Times - Jul 19 2016
- New York Times - Mar 1 2014
- New York Times - Jun 26 2013
- The Chronicle of Higher Education - Oct 12 2012