| 2026-08-25 | Some Monopoly properties: Abbr. |
| 2026-04-03 | Baltic and Mediterranean: Abbr. |
| 2026-02-28 | Scientific classification for birds |
| 2023-09-26 | Street crossers: Abbr. |
| 2020-05-17 | Flying class? |
| 2017-07-29 | Class of fliers? |
| 2017-05-22 | Madison and Fifth in Manhattan: Abbr. |
| 2016-06-21 | D.C.'s New York and Pennsylvania |
| 2015-11-24 | Fifth and Park, in N.Y.C. |
| 2015-11-06 | Class of birds |
| 2015-04-19 | Greetings of old |
| 2014-11-03 | Birds, scientifically speaking |
| 2014-03-17 | Streets: Abbr. |
| 2013-11-25 | Madison and Fifth, e.g.: Abbr. |
| 2013-10-01 | Some Monopoly purchases: Abbr. |
| 2013-06-19 | Many Monopoly properties: Abbr. |
| 2012-10-23 | Mediterranean and Baltic, in Monopoly: Abbr. |
| 2012-09-24 | Ventnor and Baltic, in Monopoly: Abbr. |
| 2012-06-17 | Some Monopoly properties: Abbr. |
| 2011-07-31 | Upper class? |
| 2010-07-13 | Connecticut and Virginia, in Monopoly: Abbr. |
| 2009-05-19 | Birds, collectively |
| 2008-03-11 | Forum greetings |
| 2007-07-04 | Greetings of long ago |
| 2007-05-10 | Bird classification |
| 2007-03-16 | Pennsylvania and others: Abbr. |
| 2007-03-11 | Map parts: Abbr. |
| 2007-01-02 | Lex and Park, e.g., in N.Y.C. |
| 2006-11-16 | Class of birds |
| 2006-10-05 | Lexington and others, in N.Y.C. |
| 2006-09-03 | Fifth and Mad. |
| 2005-07-11 | Madison and Fifth, in N.Y.C. |
| 2005-05-24 | N.Y.C.'s 5th and 7th, e.g. |
| 2005-01-30 | Mad. and Lex. |
| 2004-09-18 | Birds, in Latin |
| 2004-06-01 | Park and Lexington, e.g., in N.Y.C. |
| 2003-10-12 | They sometimes have presidents' names: Abbr. |
| 2003-09-07 | Welcomes |
| 2003-07-03 | Prayers to Mary |
| 2003-05-08 | 2nd, 3rd, 4th, etc., in S.F. |
| 2003-03-16 | Maryland, Virginia, etc., in D.C. |
| 2002-09-10 | Class that's for the birds |
| 2002-03-03 | Ancient greetings |
| 2001-05-26 | His, in old Rome |
| 1999-02-05 | 17 Monopoly props. |
| 1996-12-04 | Ancient greetings |
| 1996-06-17 | Pensylvania and Park, e.g.: Abbr. |
| 1996-06-03 | Fifth and Mad., e.g. |
| 1996-05-10 | Ancient greetings |
| 1995-05-12 | St. crossers |
| 1994-12-30 | Ancient greetings |
| 1994-09-01 | Former ova |
| 1994-06-06 | Lexington and Madison: Abbr. |
| 1993-12-04 | Welcomes |