Related Clues:

• See 16
• By what means?
• The Doctor?
• Question not asked in this puzzle's theme words
• 'Never heard of her'
• "Never heard of her"
• "__ said so?"
• '___ Let the Dogs Out'
• Know-__
• '___ farted?'
• -- -to book
• Detective's pronoun
• UN immunization agency
• ''What person?''
• Know-___