Related Clues:

• Mount Rushmore pres.
• Half a sawbuck
• 'How to Succeed in Business ...' playwright Burrows
• Grampa Simpson
• A Warner Bros. brother
• Lincoln or Fortas
• Civil War prez
• With 66-Across, former New York politician
• One of the Warner Bros. brothers
• One-time Bears coach Gibron
• Homer Simpson's dad
• ''Guys and Dolls'' writer Burrows
• Prez noted for 25-Across
• 16th president, informally
• Honest Lincoln