| Answer | Crossword Clue |
|---|---|
| OEDS | Big ref. books |
| OEDS | Ref. books |
| DICTS | Ref. books |
| ENCS | Ref. books |
| ENCS | Ref. books. |
| OEDS | Massive ref. books |
| OEDS | Multivolume ref. books |
| OEDS | British ref. books |
| OEDS | Some ref. books |
| OEDS | Ref. books sometimes sold with magnifying glasses |
