Filed from 4 published puzzles

LIBRETTO

Set to 4 different clues across 4 published puzzles, most often “Book” — The New York Times, Friday, 26 November 2010.

8 letters

Every clue on record, most used first

  • Bookonce

    The New York Times — Friday, 26 November 2010

  • Opera scriptonce

    The New York Times — Tuesday, 20 December 2005

  • Textonce

    The New York Times — Saturday, 7 February 2004

  • It kept Bizet busyonce

    The New York Times — Monday, 10 November 1997

Other answers to these clues