The most common and most likely answer to this crossword clue is the 4 letter word ISBN which also is the latest solution we found used in New York Times in 2004.
ID in a library crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| ISBN | 100 % | 4 | 
Words with a meaning similar to the clue: ID in a library
These words may or may not be a possible solution to this crosswords clue.- user
 - papers
 - filename
 - anon
 - doorman
 - doorway
 - est
 - leaf
 - map
 - mrs
 - name
 - names
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution