1. 2,4-D: An Herbicide;Six Chemicals That Changed Agriculture;2015
2. Creation and development of weed societies;A History of Weed Science in the United States;2010
3. Development of herbicides after 1945;A History of Weed Science in the United States;2010
4. Why write a history?;A History of Weed Science in the United States;2010
5. The President said;Weed Science;2002-01