ERASURES
| Date | Clue |
|---|---|
| 2015-08-09 | Marks taken off? |
| 2009-07-18 | Indications that things have changed? |
| 2003-07-24 | What smudges may indicate |
| 2002-04-26 | Errata reducers |
| 2002-03-28 | Wipeouts |
| 2001-04-15 | Signs of censorship |
| 2000-07-15 | Strikeouts? |
| 1999-03-16 | Crossword solvers' smudges |
| 1998-08-15 | Evidence of changes |