Grouped by publication-year and broken out by day-of-week (Monday at top, Sunday at bottom).
| 100% grid match of an earlier puzzle, same author (reprint) | |
| >50% grid match of an earlier puzzle, same author | |
| >50% grid match of an earlier puzzle, different author | |
| 25-50% grid match of an earlier puzzle (possible theme duplication) |
| crossword grid data available for public download | |
| crossword grid data in private storage |