Related Clues:

• Address preceder
• Anthroponym
• Cite
• Rose, Lily or Iris, e.g.
• Tag datum
• Well-known
• ''What's in a ---?'' (''Romeo and Juliet'')
• Sobriquet
• Tag line?
• ''A Horse With No ---''
• Muck-a-muck
• Dogtag info
• Big name
• With 50- and 53-Down, apt title for this puzzle
• High muck-a-muck