Related Clues:

• Word derived from 10-Down
• Ruler opposed by the Bolsheviks
• Peter or Nicholas
• Russian monarch, once (Var.)
• Royal Russian (Var.)
• Romanov title (Var.)
• Peter or Ivan, e.g. (Var.)
• Former Winter Palace resident
• Boris Godunov, e.g.
• Old totalitarian ruler
• Alexander, e.g.
• Old Russian bigwig
• Pre-1917 bigwig
• Anticommunist leader
• 26- or 55-Down