Historical clue formulations

• Scrub — 2026-02-02
• Search high and low — 2025-02-28
• Clean with steel wool, say — 2023-03-07
• Clean vigorously — 2022-08-22
• Really clean — 2021-08-14
• Clean with elbow grease — 2020-10-06
• Use steel wool on — 2019-09-02
• Scrub vigorously — 2019-08-05
• Search far and wide — 2016-09-18
• Search all over — 2016-03-02
• Comb — 2014-09-20
• Use elbow grease on — 2014-04-20
• Pore over — 2012-07-29
• Search with a fine-tooth comb — 2012-06-24
• Search high and low — 2009-11-02
• Carefully search — 2009-05-21
• Scrub — 2009-04-10
• Search high and low — 2008-03-23
• Rub, rub, rub — 2008-01-10
• Rub, rub, rub — 2007-05-11
• Use elbow grease on — 2003-04-16
• Scrub hard — 2001-08-20
• Use elbow grease on — 2001-02-28
• Scrub — 1997-08-26
• Thoroughly comb — 1997-03-22
• Look everywhere in — 1997-02-02
• Ransack — 1996-07-28
• Use an S.O.S. — 1996-01-21
• Look high and low — 1995-11-23
• Burnish — 1994-03-24
• Scrub a tub, maybe — 1994-01-13