CFL
Set to 6 different clues across 6 published puzzles, most often “North-of-the-border grid org.” — The New York Times, Tuesday, 1 June 2010.
3 letters
Every clue on record, most used first
- North-of-the-border grid org.once
The New York Times — Tuesday, 1 June 2010
- Grey Cup sports org.once
The New York Times — Saturday, 14 March 2009
- Sports org. north of the borderonce
The New York Times — Sunday, 25 December 2005
- Sports org. with the Grey Cuponce
The New York Times — Sunday, 30 June 2002
- Grey Cup grp.once
The New York Times — Saturday, 31 October 1998
- Toronto Argonauts' org.once
The New York Times — Friday, 21 November 1997