1. Weed Science Society of America—Origin and Evolution—The First 50 Years;Appleby,2005
2. The Whig Interpretation of History;Butterfield,1959
3. What Is History?;Carr,1961
4. What is the history of science the history of? Early roots of the ideology of modern science;Dear;Isis,2005
5. History and agricultural science;Fussell;Agric. History,1945