Historical clue formulations

• "___ Lisa" — 2023-09-25
• ___ Van Duyn, 1990s U.S. poet laureate — 2022-08-20
• Leonardo da Vinci's "___ Lisa" — 2021-09-13
• "___ Lisa" — 2021-03-14
• Leonardo da Vinci's "___ Lisa" — 2020-01-28
• "___ Lisa" — 2019-08-25
• Da Vinci's "___ Lisa" — 2019-03-27
• U.S. poet laureate ___ Van Duyn — 2019-02-16
• With 29-Across, source of a famous smile — 2019-02-10
• "___ Lisa" — 2018-09-25
• "___ Lisa" — 2017-10-23
• Leonardo da Vinci's "___ Lisa" — 2017-04-03
• Villainess Vanderwaal of TV's "Pretty Little Liars" — 2015-07-04
• "___ Lisa" — 2015-06-28
• Homer Simpson's mother — 2014-10-08
• "___ Lisa" — 2014-02-04
• "First name" in the Louvre — 2013-03-15
• "___ Lisa" — 2012-06-22
• "___ Lisa" — 2012-03-06
• "___ Lisa" — 2011-02-14
• Homer Simpson's mom — 2009-12-26
• Marisa's role in "My Cousin Vinny" — 2009-04-12
• Lisa with a "mystic smile" — 2009-02-10
• "___ Lisa" — 2006-09-27
• ___ Van Duyn, 1991 Pulitzer-winning poet — 2006-05-12
• "___ Lisa" — 2005-10-03
• Poet Van Duyn — 2005-05-01
• "___ Lisa" — 2004-11-23
• "___ Lisa" — 2004-07-01
• "___ Lisa Smile" (2003 film) — 2004-01-11
• "___ Lisa" — 2003-12-17
• Marisa's "My Cousin Vinny" role — 2003-11-07
• Author Simpson — 2003-01-09
• "___ Lisa" — 2002-11-11
• "___ Lisa" — 2002-08-18
• "___ Lisa" — 2002-08-15
• First name in portraits — 2002-06-16
• "The Best Little Whorehouse in Texas" woman — 2002-03-07
• Poet Van Duyn — 2002-02-24
• "___ Lisa" — 2002-02-20
• Political columnist Charen — 2002-02-10
• "Black Beauty" star ___ Freeman — 2002-01-02
• Political columnist Charen — 2001-06-29
• Novelist Simpson — 2001-04-04
• Poet Van Duyn — 2001-03-25
• "___ Lisa" — 1999-06-14
• "___ Lisa" — 1998-11-10
• Poet Van Duyn — 1998-04-23
• "Who's the Boss?" role — 1997-10-10
• Actress Washbourne — 1997-09-24