| Answer | Crossword Clue |
|---|---|
| TREATISE | A book on some particular subject. |
| LORE | Knowledge on a particular subject. |
| LAHR | Subject of the book "Notes on a Cowardly Lion" |
| BIO | Some words on the subject? |
| HITSANERVE | Touches on some sore subject (XLVII, 4) |
| BIBLE | Book that some swear on |
