REFERENCEMANUAL
Set to 2 different clues across 2 published puzzles, most often “User's guide” — The New York Times, Tuesday, 2 September 2008.
15 letters
Every clue on record, most used first
- User's guideonce
The New York Times — Tuesday, 2 September 2008
- Technician's resourceonce
The New York Times — Friday, 8 November 2002