1. The cotton plant in Egypt, studies in physiology and genetics
2. Movements of soil water in an Egyptian cotton-field;Balls;Jour. Agric. Sci,1912
3. Hughes , F. Hurst , H. E. 1913 Watering experiments with cotton Survey Dept. Paper, Cairo
4. Measurements of water given to cotton and other Egyptian crops;Hughes;Agric. Jour. Egypt,1920