IDAS

Set to 16 different clues across 26 published puzzles, most often “Actress Lupino and others” — The New York Times, Thursday, 23 December 2010.

4 letters

Every clue on record, most used first

Actress Lupino and others6 times
The New York Times — Thursday, 23 December 2010
Argonaut who slew Castor3 times
The New York Times — Wednesday, 4 May 2011
Castor's slayer2 times
The New York Times — Thursday, 28 November 2002
Actress Kaminska et al.2 times
The New York Times — Saturday, 4 November 2000
Writer Tarbell and others2 times
The New York Times — Friday, 14 January 2000
Mrs. William McKinley and othersonce
The New York Times — Monday, 29 May 2006
One of the Argonautsonce
The New York Times — Thursday, 24 March 2005
Operetta princess and othersonce
The New York Times — Thursday, 28 December 2000
Social reformer Wells and othersonce
The New York Times — Saturday, 25 October 1997
Lupino and othersonce
The New York Times — Tuesday, 29 July 1997
Mrs. McKinley and othersonce
The New York Times — Monday, 2 June 1997
Castor's killeronce
The New York Times — Sunday, 15 December 1996