Historical clue formulations

• With 42-Down, Oscars category from 1963 to 2019 — 2022-04-03
• In good shape — 2021-04-18
• Like a good proof — 2017-06-04
• Solid — 2017-05-26
• Now hear this! — 2017-03-05
• Healthy — 2013-02-24
• Reliable — 2012-06-03
• With 47-Down, speaker's place — 2006-08-26
• In good shape — 2006-07-05
• Solid as a rock — 2005-05-05
• Not going bankrupt — 2005-01-29
• Valid — 2004-11-21
• Ping or pong — 2002-01-10
• Boating locale — 2001-06-28
• Levelheaded — 2000-04-06
• Unflawed — 1998-06-21
• In good condition — 1996-05-06
• In good health — 1995-11-12
• Audio — 1994-06-12
• Dive suddenly, as a whale — 1994-03-06