The most common and most likely answer to this crossword clue is the 3 letter word CIT which also is the latest solution we found used in USA Today in 2013.
Op ___ (in the work referenced) crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| CIT | 100 % | 3 | 
Words with a meaning similar to the clue: Op ___ (in the work referenced)
These words may or may not be a possible solution to this crosswords clue.- site
 - lease
 - cooperative
 - cross-index
 - reference
 - essay
 - icu
 - pool
 - arcade
 - column
 - cooperative society
 - med
 
Crossword Answer definitions
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution