Historical clue formulations

• Prison terms? — 2026-05-17
• George Eliot and George Orwell, for two — 2022-04-12
• Robert Galbraith and J. K. Rowling — 2016-03-31
• Authors of fiction? — 2016-01-13
• Mark Twain and George Sand, e.g. — 2011-10-30
• Lewis Carroll and others — 2002-01-17
• Ellery Queen and others — 1999-04-17
• Twain and others — 1994-02-02