Yale produces them - crossword puzzle clue

Clue: Yale produces them

Yale produces them is a crossword puzzle clue that we have spotted 4 times. There are related clues (shown below).

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Recent usage in crossword puzzles:

Washington Post - Aug. 19, 2011
Washington Post - Aug. 18, 2011
Washington Post - Aug. 17, 2011
Washington Post - Aug. 16, 2011