| 2024-12-07 | One might be used in math class or studied in history class |
| 2024-11-20 | School tool |
| 2024-08-23 | Minos or Midas |
| 2022-01-15 | Stick around school |
| 2019-07-30 | Side of many a protractor |
| 2019-03-13 | Odysseus, to Ithaca |
| 2017-09-03 | It helps keep things straight |
| 2015-03-16 | Aid in drawing straight lines |
| 2014-05-11 | Stick in a school desk |
| 2010-12-05 | Viceroy, e.g. |
| 2010-06-07 | 12" stick |
| 2009-03-10 | Kaiser or czar |
| 2007-06-23 | It's made to measure |
| 2006-05-08 | Sovereign |
| 2006-01-30 | 12" stick |
| 2005-06-15 | Sovereign |
| 2005-05-15 | Pencil box top, often |
| 2005-04-25 | Czar or king |
| 2005-03-10 | Schoolbag item |
| 2004-09-12 | Drawing help |
| 2003-12-29 | King or czar |
| 2002-11-17 | Monarch, for one |
| 2000-08-02 | Makeshift punishment tool |
| 1999-08-01 | It's for good measure |
| 1999-07-16 | What "Henry" means, literally |
| 1999-01-24 | Makeshift punishment device |
| 1998-11-07 | Makeshift punishment device |
| 1997-07-13 | Mars, to Aries, in astrology |
| 1997-04-06 | Schoolbag item |
| 1997-03-10 | 12-inch stick |
| 1997-01-27 | King or queen |
| 1996-07-14 | Desk item |
| 1996-05-05 | School tool |
| 1994-02-11 | Overlord |