INST
Set to 30 different clues across 41 published puzzles, most often “Research facility: Abbr.” — The New York Times, Sunday, 9 June 2002.
4 letters
Every clue on record, most used first
- Research facility: Abbr.4 times
The New York Times — Sunday, 9 June 2002
- Part of M.I.T.: Abbr.3 times
The New York Times — Monday, 13 August 2007
- Acad.3 times
The New York Times — Thursday, 31 May 2007
- Tech. school2 times
The New York Times — Sunday, 12 April 2009
- M.I.T. part: Abbr.2 times
The New York Times — Thursday, 20 July 2006
- Research facil.2 times
The New York Times — Wednesday, 30 June 1999
- Technical sch.2 times
The New York Times — Thursday, 9 July 1998
- The "I" of R.P.I.: Abbr.once
The New York Times — Wednesday, 13 July 2011
- Part of 58-Down: Abbr.once
The New York Times — Sunday, 4 July 2010
- Place of research: Abbr.once
The New York Times — Monday, 3 August 2009
- Sch. or hosp.once
The New York Times — Sunday, 19 July 2009
- Franklin in Phila., e.g.once
The New York Times — Friday, 26 June 2009