Related Clues:

• In history
• ___-walsy
• Proust novel "Remembrance of Things ---"
• Perfect start?
• Chasing
• Historian's interest
• Time machine's destination
• Bygone period
• In honor of
• One of the ghosts of 34-Across
• Future's opposite
• Label on many an advertising photo
• Nostalgic time
• Like some practice
• Seeking