Crossword Genius

Author unknown: Abbr (4)

Ross

I believe the answer is:

anon

(Other definitions for anon that I've seen before include "Soon, precious stone" , "Soon; unattributed" , "devoid of credit" , "Not identified by name" , "Of unknown name (abbr)" .)

I've seen this clue in the Universal, the Newsday and the Newsday.com.
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