Last seen in:
- Wall Street Journal - Mar 3 2022 - Homo Erectus
- Wall Street Journal - Sep 12 2019 - Jam Bands
- The Guardian - Quick crossword No 15,071 - Aug 26 2018
- New York Times - May 28 2017
- The Guardian - Quick crossword No 13,143 - Jun 23 2012
- Newsday.com - Feb 23 2011
- The Guardian - Quick crossword No 11,779 - Feb 8 2008