Related Clues:

• With 58-Down, Civil War battle eagle named after the president
• See 40-Across
• Getting on
• Timeworn
• ___ school
• Follower or preceder of age
• Like chestnuts
• Got on in years
• Obsolete
• Tried and true
• Long established
• Got gray
• Hemingway title word
• See 21-Down
• Unmodern