Crossword Crossword

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Across
  1. 2. Author of the first official crossword
  2. 3. what the Nazis and Soviets used crosswords for
  3. 7. newspaper used to recruit British codebreakers
  4. 9. the founding New York Times crossword editor
  5. 11. the codeword for D-Day accidentally appearing
  6. 12. one of the requirements Margaret Petherbridge instituted
  7. 13. term for when two obscure clues cross
Down
  1. 1. types of words banned when crosswords began in the NYT
  2. 3. what crosswords are a type of
  3. 4. 19_ _: the year a Broadway play about crosswords was out
  4. 5. the original name for crossword puzzles
  5. 6. where the American crossword puzzle contest is held annually
  6. 8. Singer of crossword mamma you puzzle me
  7. 10. British puzzles based on but harder than crosswords