BELLJAR

Set to 2 different clues across 2 published puzzles, most often “Sylvia Plath novel, with "The"” — The New York Times, Tuesday, 27 January 2009.

7 letters

Every clue on record, most used first

Sylvia Plath novel, with "The"once
The New York Times — Tuesday, 27 January 2009
Protective glass coveronce
The New York Times — Monday, 13 February 1995