Related Clues:

• 17- and 65-Across, and 10- and 25-Down
• Book makeup
• Calls to the phone
• Senate workers
• Knights-in-training
• 20, 25, 47 and 53-Across, e.g.
• Senate staffers
• Districts
• Congress workers
• Book parts
• Knights' attendants
• Sports, Arts & Leisure, etc.
• House gofers
• Leaves in a book
• Printing units