Jonathan Norton Leonard (Leonard, Jonathan Norton)

• 
  Crusaders of Chemistry
  by Jonathan No Leonard
  Softcover, Kessinger Publishing, LLC, ISBN 0766133125 (0-7661-3312-5)
• 
  Early Japan
  by Jonathan Norton Leonard
  Softcover, Time-Life Books, ISBN 0900658401 (0-900658-40-1)

  More editions of Early Japan:

  • Early Japan: Hardcover, Little Brown & Co, ISBN 0316326100 (0-316-32610-0)
• 
  The First Farmers
  by Jonathan Norton Leonard
  Hardcover, Time Life Education, ISBN 0809413051 (0-8094-1305-1)