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Ref. work that took more than 70 years to complete Crossword Clue Answer and Solution
The most recent appearance of the crossword clue "Ref. work that took more than 70 years to complete" was in the New York Times Crossword Puzzle on August 20, 2021. We've found one suitable crossword answer for this clue.
The perfect crossword answer for the "Ref. work that took more than 70 years to complete" crossword clue is "OED".
O E D
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