The most common and most likely answer to this crossword clue is the 4 letter word HDBK which also is the latest solution we found used in New York Times in 1975.
Small manual: Abbr crossword clue answers
Here's a list of possible crossword answers ranked by the most likely to least likely.
| Answer | Likelyness | Letters | 
|---|---|---|
| HDBK | 100 % | 4 | 
Words with a meaning similar to the clue: Small manual: Abbr
These words may or may not be a possible solution to this crosswords clue.- asl
 - mouse
 - spinet
 - mol
 - amts
 - del
 - dol
 - msec
 - apts
 - spec
 - specs
 - oct
 
More crossword clues leading to the same solutions
Here's a few more crossword clues - all leading to the identical solution