1. ; Nitrogen in Agricultural Soils ( Ed.), American Society of Agronomy, Madison, Wisconsin, 1982 pp. 229–252.
2. Use of nitrification inhibitors to improve recovery of mineralised nitrogen by winter wheat
3. Soil fertility losses under Missouri conditions. Bulletin of the Missouri Experimental Station No. 324, 1933.
4. Effects of management and manuring on physical properties of some Rothamsted and Woburn soils. Report of the Rothamsted Experimental Station for 1977. Part 2, 37–54.
5. Automatic methods for the determination of nitrogen, phosphorus and potassium in plant material