Historical clue formulations

• Historic Scottish county — 2009-04-12
• Historical Scottish county — 2004-05-11
• Historic Scottish county — 1999-08-29
• Historic county of Scotland — 1997-01-06
• Scottish pattern: Var. — 1996-05-22
• Historic county of Scotland — 1996-01-01
• Historic Scottish county — 1994-12-21