Historical clue formulations

• Arts and ___ — 2019-05-07
• Logical things to study? — 2012-12-09
• Academic area — 2009-03-06
• Academic area — 2008-11-23
• Some are natural — 2006-04-28
• 29-Down's partner — 1998-03-20
• Arts' partner — 1997-06-10
• Ologies — 1995-08-17