BURL
| Date | Clue |
|---|---|
| 2019-02-23 | Bump on a log |
| 2018-10-27 | Knotty tree growth |
| 2018-04-18 | Lump on a trunk |
| 2017-12-14 | Knotty growth |
| 2012-03-22 | Small knot |
| 2011-08-10 | Small knot |
| 2010-02-11 | Knot |
| 2009-07-17 | Lump in cloth |
| 2007-07-30 | Singer Ives |
| 2006-06-20 | Singer Ives |
| 2005-09-29 | Small knot |
| 1999-06-14 | Singer Ives |
| 1993-12-22 | Knot in wood |