| 2023-03-26 | Lead-in to -logue |
| 2018-03-18 | Prefix with -graphic |
| 2018-01-17 | Prefix with -logical |
| 2017-09-21 | Prefix with -logical |
| 2016-05-02 | Prefix with -logical |
| 2016-01-04 | Thought: Prefix |
| 2014-07-13 | Prefix with -graphic |
| 2013-09-10 | Thought: Prefix |
| 2013-05-19 | Logical beginning? |
| 2012-12-30 | Logical start? |
| 2012-10-31 | Prefix with -logical |
| 2010-05-23 | Prefix with logical |
| 2009-06-02 | Prefix with logical |
| 2009-01-29 | Logical introduction? |
| 2008-12-24 | Prefix with -gram or -graph |
| 2008-05-22 | Prefix with -logue or -gram |
| 2008-03-19 | Logical start? |
| 2007-07-05 | Logical start? |
| 2007-02-18 | Logical start? |
| 2006-06-20 | Prefix with graphic |
| 2005-11-21 | Prefix with -logue |
| 2004-07-25 | Thinking prefix |
| 2004-05-28 | Prefix with graphic |
| 2004-05-06 | Prefix with logical |
| 2004-04-06 | Prefix with logical |
| 2002-07-28 | Thought: Prefix |
| 2002-07-23 | Thought: Prefix |
| 2002-06-06 | Prefix with logical |
| 2001-05-12 | Prefix with logical |
| 2000-08-23 | Thought: Prefix |
| 1999-12-28 | Logical start? |
| 1998-11-19 | Prefix with logical |
| 1997-07-17 | Prefix with -graph |
| 1997-03-23 | Graphic beginning |
| 1997-01-26 | Prefix with -gram |
| 1996-11-04 | Prefix with logical |
| 1996-08-27 | Prefix with -logue |
| 1996-07-27 | Prefix with logical |
| 1995-12-19 | Prefix with gram or logical |
| 1994-12-21 | Graph start |
| 1994-01-09 | Logical start |