| 2019-11-16 | Abbr. in a formal salutation |
| 2016-04-24 | Gentlemen: Abbr. |
| 2014-03-28 | Old letter opener: Abbr. |
| 2013-12-30 | Gentlemen: Abbr. |
| 2013-09-23 | Counterpart of Mmes. |
| 2013-08-17 | Quaint letter-opening abbr. |
| 2011-05-07 | Lead-in to multiple last names |
| 2009-06-02 | Abbr. preceding multiple surnames |
| 2009-05-01 | Quaint letter opener: Abbr. |
| 2008-06-09 | Gentlemen: Abbr. |
| 2007-08-03 | Salutation abbreviation |
| 2007-06-09 | Old-fashioned letter opener: Abbr. |
| 2004-10-17 | Abbr. in a salutation |
| 2003-02-23 | Opposite of misses: Abbr. |
| 2002-05-26 | Abbr. at the head of a letter |
| 2002-03-31 | Abbr. before multiple surnames |
| 2001-08-05 | Letter abbr. |
| 2001-03-02 | Polite title: Abbr. |
| 1998-10-04 | Abbr. preceding multiple surnames |
| 1996-10-24 | Salutation abbr. |