Historical clue formulations

• Family tree — 2024-02-08
• *Mark of wisdom, some say — 2023-10-05
• EAGLE — 2012-07-19
• Pedigree — 2008-10-17
• It can be found in a tree — 2006-09-24
• Extraction — 2006-06-18
• Ancestry — 2004-06-16
• Extraction — 2003-06-20
• It may be shown on a tree — 2002-01-17
• Extraction — 2000-04-23
• It may be represented by a tree — 1999-09-05
• Family tree — 1994-08-05
• Totem pole's story — 1994-06-11