Books

1. Agrargeographie: Strukturzonen u. Betriebsformen in d. Weltlandwirtschaft
   

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2. Conservators of Hope: The Horace M. Albright Conservation Lectures
   

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3. Drip/Trickle Irrigation in Action: Proceedings of the Third International Drip/Trickle Irrigation Congress (Asae Publication, 10-85)
   

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4. George Washington Carver What Do You See? (Another Great Achiever)
   

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5. Farming the dust bowl: A first-hand account from Kansas
   

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Books