Historical clue formulations

• "Which weighs more - a pound of feathers or a pound of lead?" and others — 2017-02-23
• Classic 1940s-'50s quiz show — 2014-06-19
• Game suggested by the first words of 17-, 25- and 42-Across — 2007-05-28
• Classic parlor game — 2002-01-21
• Parlor game — 1995-10-04