Historical clue formulations

• Lead-in to -logue — 2023-03-26
• Prefix with -graphic — 2018-03-18
• Prefix with -logical — 2018-01-17
• Prefix with -logical — 2017-09-21
• Prefix with -logical — 2016-05-02
• Thought: Prefix — 2016-01-04
• Prefix with -graphic — 2014-07-13
• Thought: Prefix — 2013-09-10
• Logical beginning? — 2013-05-19
• Logical start? — 2012-12-30
• Prefix with -logical — 2012-10-31
• Prefix with logical — 2010-05-23
• Prefix with logical — 2009-06-02
• Logical introduction? — 2009-01-29
• Prefix with -gram or -graph — 2008-12-24
• Prefix with -logue or -gram — 2008-05-22
• Logical start? — 2008-03-19
• Logical start? — 2007-07-05
• Logical start? — 2007-02-18
• Prefix with graphic — 2006-06-20
• Prefix with -logue — 2005-11-21
• Thinking prefix — 2004-07-25
• Prefix with graphic — 2004-05-28
• Prefix with logical — 2004-05-06
• Prefix with logical — 2004-04-06
• Thought: Prefix — 2002-07-28
• Thought: Prefix — 2002-07-23
• Prefix with logical — 2002-06-06
• Prefix with logical — 2001-05-12
• Thought: Prefix — 2000-08-23
• Logical start? — 1999-12-28
• Prefix with -graph — 1997-07-17
• Graphic beginning — 1997-03-23
• Prefix with -gram — 1997-01-26
• Prefix with logical — 1996-11-04
• Prefix with -logue — 1996-08-27
• Prefix with logical — 1996-07-27
• Prefix with gram or logical — 1995-12-19
• Graph start — 1994-12-21
• Logical start — 1994-01-09