| 2021-12-19 | M.L.K. or R.B.G.: Abbr. |
| 2019-11-21 | Some signatures, briefly |
| 2019-08-14 | J.F.K. or L.B.J.: Abbr. |
| 2018-10-07 | Quick signatures, quickly |
| 2017-11-12 | Document certifiers, for short |
| 2016-10-09 | Quick signature: Abbr. |
| 2015-01-08 | A., B. and others: Abbr. |
| 2014-11-25 | D.D.E. or J.F.K. |
| 2013-07-29 | The "F" and "B" of Samuel F. B. Morse, e.g.: Abbr. |
| 2012-03-18 | J.F.K., e.g. |
| 2011-08-21 | U.S.A. or U.K. |
| 2010-12-13 | The J. and K. in J. K. Rowling: Abbr. |
| 2007-12-20 | "I" and "M" in I. M. Pei: Abbr. |
| 2007-10-19 | They stand for something: Abbr. |
| 2006-04-16 | Some O.K.'s, for short |
| 2004-10-09 | Some needlework: Abbr. |
| 2003-09-08 | "Everything ___ place" |
| 2001-07-13 | J.F.K., e.g. |
| 2000-07-11 | Everything ___ place |
| 1996-05-25 | Some tree carvings: Abbr. |