NGAIO
| Date | Clue |
|---|---|
| 2019-03-03 | Mystery writer Marsh |
| 2018-01-05 | Mystery writer Marsh |
| 2017-03-14 | Mystery writer Marsh |
| 2016-01-24 | Marsh of mystery |
| 2013-04-07 | Marsh of detective fiction |
| 2011-07-20 | Mystery writer Marsh |
| 2011-01-30 | Author Marsh |
| 2010-07-25 | Marsh of mysteries |
| 2008-04-04 | Contemporary of Agatha and Erle |
| 2007-07-01 | Mystery writer Marsh |
| 2005-04-08 | Marsh of mystery |
| 2004-01-23 | Marsh of mystery |
| 2003-06-24 | Marsh of mystery |
| 2002-08-04 | Author Marsh |
| 2000-10-29 | Mystery writer Marsh |
| 1997-11-29 | Writer Marsh |
| 1997-08-24 | Author Marsh |
| 1997-07-04 | Marsh of mystery |
| 1995-04-04 | Writer Marsh |
| 1994-11-04 | First name in mysteries |