Historical clue formulations

• Magic 8 Balls, e.g. — 2010-11-29
• Future presenters of the past — 2009-08-09
• Sources of wisdom — 2007-06-27
• Answer sources — 2004-10-01
• Medium settings? — 2003-02-26
• Wise counsels — 2003-01-22
• Consultation sites — 2001-08-05
• "The Sibylline ___" (ancient religious collection) — 2001-01-13
• Future presenters, in the past — 2000-10-29
• Medium settings? — 1999-11-05
• Their words are divine — 1998-08-02
• Delphic utterances — 1998-05-04
• The Scriptures — 1997-05-20