Historical clue formulations

• Beyond steamy — 2022-04-15
• Symbol for the starts of 18-, 27-, 46- and 58-Across — 2021-12-30
• Really dirty — 2014-02-28
• Pigskin stitching — 2012-09-26
• Turkey, to a bowler — 2009-04-02
• Hard-core film "rating" — 2009-01-13
• Adults-only — 2007-05-16
• Turkey, to a bowler — 2004-11-25
• Poison warning — 2004-04-22
• ??? — 2001-11-29