Historical clue formulations

• Classic Warhol subject — 2021-10-08
• Common grilled cheese sandwich go-with — 2021-07-06
• Grilled cheese sandwich go-with — 2012-12-30
• Classic Andy Warhol subject — 2012-08-09
• Warhol subject — 1998-08-16
• Grilled cheese go-with — 1994-04-09