Related Clues:

• Title for 9-Down
• Old world despot
• Basil was one
• Ruler of the Cossacks, once
• Deposed Russian
• Powerful boss
• Ruler, once
• The last was Nicholas II
• Loser of 1917
• Industry bigwig
• Title derived from 'Caesar'
• Shah : Iran :: ___ : Russia
• Ivan or Feodor
• 1917 abdicator
• Kingpin