William Ashworth

1942

• Great Lakes journey
• The late, Great Lakes
• A short history of the international economy since 1850
• Bears: Their Life And Behavior
• Customs and excise
• Economic History of England, 1870-1939
• Hells Canyon, the deepest gorge on earth
• Nor any drop to drink
• Ogallala Blue
• Penguins, puffins, and auks
• The Carson factor
• The economy of nature