Related Clues:

• Orbital period
• Jeb, to Barbara
• Revolutionary period?
• Male child
• Revolution time
• Whisky or wine datum
• Magritte's 'The ___ of Man'
• 669 Martian days
• Michael, to Kirk
• Y beneficiary
• Arlo, to Woody
• Revolution time?
• Spring, summer, fall and winter
• Summer to summer
• Many a delivery