Historical clue formulations

• It's a "tyrannical discipline," said Sylvia Plath — 2026-01-04
• Pulitzer category — 2023-12-09
• "The bill and coo of sex" per Elbert Hubbard — 2007-11-14
• Bookstore section — 2006-09-13
• Start of a quote by 50-Across — 2003-04-11
• Frost production — 2001-12-19
• Works with meters — 2001-09-05
• Emily Dickinson's field — 1999-11-08