| Clue | Source | Date |
|---|---|---|
| Some trees in southern Ontario | ||
| Mr S O'Casey worked for US plane company? | ||
| Talked about less healthy lands covered in heather, bracken and trees | ||
| Some scary, misshapen trees | ||
| Graceful trees | Thomas Joseph | 11 Apr 2015 |
| Divine trees in the 'Book of the Dead' | New York Times | 06 Mar 2015 |
| Divine trees in the "Book of the Dead" | ||
| Graceful trees | ||
| Shade trees | ||
| Sights on the Wabash. |