Historical clue formulations

• Author Ephron and others — 2011-10-31
• Ephron and Roberts — 2011-08-25
• Author Ephron and others — 2011-06-06
• Charles and others — 2009-10-29
• Comic Dunn and others — 2009-04-09
• "___ Room" (2001 children's book) — 2003-09-13
• Charles and Ephron — 1998-09-09
• Charles and others — 1997-07-06