Historical clue formulations

• Russian car make — 2008-12-06
• Russian car — 2008-10-01
• Russian car — 2007-11-23
• Russian auto make — 2002-06-28
• Terhune's "___ Dog" — 1998-02-10
• Terhune's "___ Dog" — 1998-01-26
• Terhune's "_____ Dog" — 1994-10-09