Filed from 102 published puzzles

ASTO

Set to 20 different clues across 102 published puzzles, most often “Regarding” — The New York Times, Thursday, 28 July 2011.

4 letters

Every clue on record, most used first

  • Regarding36 times

    The New York Times — Thursday, 28 July 2011

  • Concerning24 times

    The New York Times — Thursday, 19 May 2011

  • About15 times

    The New York Times — Saturday, 18 September 2010

  • Communiqué segue3 times

    The New York Times — Saturday, 10 June 2006

  • Apropos of3 times

    The New York Times — Monday, 19 May 2003

  • Anent3 times

    The New York Times — Sunday, 4 November 2001

  • Topic lead-in2 times

    The New York Times — Wednesday, 3 August 2011

  • Memo start2 times

    The New York Times — Wednesday, 10 December 2008

  • In the matter of2 times

    The New York Times — Wednesday, 14 May 2008

  • Re2 times

    The New York Times — Sunday, 5 March 2000

  • Ononce

    The New York Times — Saturday, 6 June 2009

  • Vis-à-visonce

    The New York Times — Sunday, 15 February 2009

Other answers to these clues