Last seen in:
- L.A. Times Daily - Nov 22 2025
- Thomas Joseph - King Feature Syndicate - Jan 3 2025
- Thomas Joseph - King Feature Syndicate - Jun 8 2023
- Eugene Sheffer - King Feature Syndicate - Dec 2 2020
- The New Yorker - Dec 2 2019
- Wall Street Journal - Nov 7 2018 - Solve This, Please!
- Thomas Joseph - King Feature Syndicate - Jun 14 2018
- Thomas Joseph - King Feature Syndicate - Sep 30 2017
- Thomas Joseph - King Feature Syndicate - Feb 27 2016
- Thomas Joseph - King Feature Syndicate - Jan 16 2015
Related Clues:
- They're no good if broken
- Encryptions
- Lists of items to discuss
- Conference planners' needs
- Politicians may have them
- Lists for meetings
- Secret languages
- Protocols
- Zealots have them
- ''Hidden'' priorities
- Cryptanalyst's concerns
- Secret writings
- Buildings often have them
- They may be hidden
- Cryptography topics