Last seen in:
- New York Times - Jun 2 2020
- New York Times - Apr 21 2020
- Wall Street Journal - Aug 23 2017 - Head First
- Universal - Apr 25 2017
- Newsday.com - Nov 1 2016
- Irish Times (Simplex) - Aug 6 2012
- Irish Times (Simplex) - Dec 12 2011
- Irish Times (Simplex) - Sep 22 2010
- The Times - Concise - Times2 Concise 5235 - August 20, 2010
- Irish Times (Simplex) - May 12 2010
