Answer: pseudonym

AnswerCrossword Clue
PSEUDONYM

Mark Twain or O. Henry

PSEUDONYM

Handle

PSEUDONYM

A. A. Fair, to Erle Stanley Gardner

PSEUDONYM
Diedrich Knickerbocker, for Washington Irving
PSEUDONYM
Fictitious name
PSEUDONYMGeorge Orwell or George Eliot
PSEUDONYMLewis Carroll, for one
PSEUDONYMO. Henry, for one
PSEUDONYMP as in ..
PSEUDONYMGeorge Eliot or George Sand
PSEUDONYMGeorge Sand, e.g.
PSEUDONYM"S" as in pen name?
PSEUDONYMMark Twain, to Samuel Langhorne Clemens
PSEUDONYMGeorge Eliot, for one