The most common and most likely answer to this crossword clue is the 7 letter word WHOSWHO which also is the latest solution we found used in New York Times in 1963.
Useful reference book crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters |
|---|---|---|
| WHOSWHO | 100 % | 7 |
Words with a meaning similar to the clue: Useful reference book
These words may or may not be a possible solution to this crosswords clue.- atlas
- handbook
- almanac
- herbal
- handy
- directory
- index
- lexicon
- manual
- annual
- entry
- bible
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution