| 2025-02-18 | Duel units |
| 2019-11-12 | A dueler may take 10 of them |
| 2017-12-09 | Duel measure |
| 2015-02-11 | Count in a duel |
| 2013-08-04 | Shows worry, in a way |
| 2013-03-29 | Dueling count |
| 2011-07-10 | Shows worry, in a way |
| 2008-08-10 | Wears out the carpet? |
| 2007-12-06 | Duel measures |
| 2006-12-03 | Things counted by the second? |
| 2006-01-30 | Walks like an expectant father |
| 2005-03-06 | Duel units |
| 2005-02-21 | Walks outside the delivery room? |
| 2004-03-06 | They may be taken before drawing |
| 2003-09-18 | Treasure map distances |
| 2003-05-16 | Treasure map distances |
| 2001-12-16 | Duelers' units |
| 2001-10-04 | Units of distance |
| 1999-06-07 | Duelist's steps |
| 1998-10-12 | Walks a hole in the carpet |
| 1996-08-03 | Dueling distance |
| 1994-11-07 | Duelists' steps |