SERFS
| Date | Clue |
|---|---|
| 2026-04-24 | They're held in bondage |
| 2022-10-24 | Feudal laborers |
| 2021-09-23 | Peons |
| 2021-05-06 | Lord's laborers |
| 2020-09-13 | Feudal workers |
| 2020-03-05 | Medieval laborers |
| 2020-01-18 | Lord's workers |
| 2017-09-06 | Drudges |
| 2017-05-01 | Feudal workers |
| 2016-06-03 | Low class |
| 2016-04-26 | Medieval drudges |
| 2015-05-02 | Ones in bondage |
| 2013-07-14 | Feudal figures |
| 2012-08-12 | Hard workers |
| 2010-12-07 | Feudal drudges |
| 2010-02-15 | Feudal workers |
| 2008-02-01 | They're bound to work |
| 2007-03-17 | Some Russians until the Emancipation Manifesto of 1861 |
| 2006-07-22 | They're bound to land |
| 2006-03-02 | Drudges |
| 2005-11-03 | Receivers of manumission |
| 2004-10-17 | Lord's workers |
| 2003-10-22 | Lowly laborers |
| 2003-08-05 | Feudal laborers |
| 2003-04-25 | They do the lord's work |
| 2002-02-28 | Lord's workers |
| 2001-10-02 | Lowly workers |
| 2000-10-19 | Hardly management types |
| 2000-07-29 | Lord's workers |
| 2000-03-01 | Lowly ones |
| 1999-10-29 | Old laborers |
| 1999-05-30 | Lord's workers |
| 1998-11-10 | Feudal underlings |
| 1998-06-08 | Feudal workers |
| 1998-03-01 | Lowly ones |
| 1997-10-20 | Feudal workers |
| 1997-07-06 | They're bound to work |
| 1996-10-28 | Feudal workers |
| 1994-11-14 | Vassals |
| 1994-06-30 | Vassals |