25. U. S. Department of Agriculture, Bureau of Chemistry Bulletin No. 27: Sugar Beet Industry.
26. Sadtler: A Handbook of Industrial Organic Chemistry.
27. Minnesota Experiment Station Bulletin No. 86: The Food Value of Sugar. The Digestive Action of Milk.
28. Hutchison: Food and Principles of Dietetics.
29. U. S. Department of Agriculture, Farmers' Bulletin No 93: Sugar as Food.
30. U. S. Department of Agriculture, Office of Experiment Stations Bulletin No. 252: Maple Sugar and Sirup.
31. U. S. Department of Agriculture, Bureau of Chemistry Bulletin No. 13, Part 6: Sugar, Molasses, Sirup, and Confections.
32. U. S. Department of Agriculture, Farmers' Bulletin No. 121: Peas and Beans as Food.
33. U. S. Department of Agriculture, Farmers' Bulletin No. 122: Nuts as Food.