Related Clues:

• Book that might have a lock
• See 65-Across
• 'Yes' follower
• Elton John, since 1998
• Yes or no follower
• Charlie Chaplin title
• 'Dear' one
• Peppermint Patty, to Marcie
• Word in a salutation, perhaps
• Paul McCartney, for one
• Walter Scott's title
• Log
• 'Hey, mister!'
• Polite address
• 'My dear man'