Historical clue formulations

• Rich, rich, rich — 2022-03-14
• Like some nachos and questions — 2021-11-14
• Superrich — 2017-07-05
• Very rich ... or drunk — 2016-08-01
• Flush — 2014-08-01
• See 23-Across — 2010-11-05
• What 3-, 13-, 14- and 28-Down may be — 2010-03-16
• Like some questions — 2007-11-03
• Filthy rich — 2006-09-06
• In the bucks — 2003-10-02
• Stinking rich — 1997-01-28