| Clue | Source | Date |
|---|---|---|
| Activity on a course | ||
| Eighteen holes ... and a hint to this puzzle's circled letters | LA Times Daily | 28 Jun 2018 |
| Eighteen holes ... and a hint to this puzzle's circled letters | ||
| 18 holes | Wall Street Journal | 02 Jan 2018 |
| Eighteen holes ... and a hint to this puzzle's circled letters |