| Answer | Crossword Clue |
|---|---|
| OLDAGE | Subject of "De Senectute." |
| OLDAGE | Subject of Cicero's "De Senectute." |
| CICERO | Author of "De Senectute." |
| ROBIN | Subject of an opera by De Koven. |
| NECKLACE | Subject of a famous De Maupassant story. |
| OPIUM | De Quincey subject |
| SEA | Jan de Hartog's subject. |
