Historical clue formulations

• Coat material — 2026-07-10
• Fabric in a flat cap — 2022-04-10
• Suit material for Mr. Toad — 2020-01-22
• Stereotypical material for a professor's jacket — 2019-09-09
• Jacket material — 2019-08-06
• Overcoat material — 2019-05-12
• Jacket material — 2017-01-15
• Coat material — 2015-10-03
• Like some preppy jackets — 2012-04-30
• Tammany Hall "boss" — 2010-04-06
• Coarse-woven cloth — 2010-01-28
• Professorial material? — 2009-12-06
• Coarse wool fabric — 2008-03-12
• Relative of homespun — 2007-11-03
• Fabric with the same name as a Scottish river — 2007-08-24
• "Ring" leader — 2006-11-10
• English professor's wear, stereotypically — 2006-07-27
• Like some jackets — 2003-05-03
• Certain jacket — 2002-12-14
• Coarse wool fabric — 2000-01-04
• Classic suit — 1999-12-26
• Preppy's fabric — 1997-12-22
• Suit fabric — 1996-06-02