| Answer | Crossword Clue |
|---|---|
| HUME | "A Treatise of Human Nature" writer |
| HUME | "A Treatise of Human Nature" author |
| HUME | A Treatise of Human Nature author |
| ALBRECHTDURER | The artist ... wrote a four-book treatise on a) human proportions; b) botany; c) choral music; d) theology |
